Home / 249,866.88-344,808-149,205.12

Finding the Fourth Proportional to 249,866.88, 344,808 and 149,205.12

Calculator

Solution

The fourth proportional to 249,866.88, 344,808 and 149,205.12 is: 205,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,866.88 : 344,808 = 149,205.12 : x
  2. Step 2: Convert to fraction form
    249,866.88/344,808 = 149,205.12/x
  3. Step 3: Cross multiply
    249,866.88x = 344,808 × 149,205.12
  4. Step 4: Simplify right side
    249,866.88x = 51,447,119,016.96
  5. Step 5: Solve for x
    x = 51,447,119,016.96/249,866.88
  6. Step 6: Final answer
    x = 205,898.11

Related Problems

Find fourth proportional to 124,933.44, 172,404 and 74,602.56
Half scale
Find fourth proportional to 499,733.76, 689,616 and 298,410.24
Double scale
Find fourth proportional to 249,867.88, 344,809.38 and 149,206.12
Similar ratio
Find fourth proportional to 374,800.32, 517,212 and 223,807.68
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.