Home / 121,504.10-182,256.15-74,264.90

Finding the Fourth Proportional to 121,504.10, 182,256.15 and 74,264.90

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Solution

The fourth proportional to 121,504.10, 182,256.15 and 74,264.90 is: 111,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,504.10 : 182,256.15 = 74,264.90 : x
  2. Step 2: Convert to fraction form
    121,504.10/182,256.15 = 74,264.90/x
  3. Step 3: Cross multiply
    121,504.10x = 182,256.15 × 74,264.90
  4. Step 4: Simplify right side
    121,504.10x = 13,535,234,754.14
  5. Step 5: Solve for x
    x = 13,535,234,754.14/121,504.10
  6. Step 6: Final answer
    x = 111,397.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.