Home / 149,821.28-206,742.96-82,748

Finding the Fourth Proportional to 149,821.28, 206,742.96 and 82,748

Calculator

Solution

The fourth proportional to 149,821.28, 206,742.96 and 82,748 is: 114,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,821.28 : 206,742.96 = 82,748 : x
  2. Step 2: Convert to fraction form
    149,821.28/206,742.96 = 82,748/x
  3. Step 3: Cross multiply
    149,821.28x = 206,742.96 × 82,748
  4. Step 4: Simplify right side
    149,821.28x = 17,107,566,454.08
  5. Step 5: Solve for x
    x = 17,107,566,454.08/149,821.28
  6. Step 6: Final answer
    x = 114,186.49

Related Problems

Find fourth proportional to 74,910.64, 103,371.48 and 41,374
Half scale
Find fourth proportional to 299,642.56, 413,485.92 and 165,496
Double scale
Find fourth proportional to 149,822.28, 206,744.34 and 82,749
Similar ratio
Find fourth proportional to 224,731.92, 310,114.44 and 124,122
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.