Home / 230,553-318,168-129,951

Finding the Fourth Proportional to 230,553, 318,168 and 129,951

Calculator

Solution

The fourth proportional to 230,553, 318,168 and 129,951 is: 179,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,553 : 318,168 = 129,951 : x
  2. Step 2: Convert to fraction form
    230,553/318,168 = 129,951/x
  3. Step 3: Cross multiply
    230,553x = 318,168 × 129,951
  4. Step 4: Simplify right side
    230,553x = 41,346,249,768
  5. Step 5: Solve for x
    x = 41,346,249,768/230,553
  6. Step 6: Final answer
    x = 179,335.12

Related Problems

Find fourth proportional to 115,276.50, 159,084 and 64,975.50
Half scale
Find fourth proportional to 461,106, 636,336 and 259,902
Double scale
Find fourth proportional to 230,554, 318,169.38 and 129,952
Similar ratio
Find fourth proportional to 345,829.50, 477,252 and 194,926.50
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.