Home / 215,335.20-297,172.32-124,695.12

Finding the Fourth Proportional to 215,335.20, 297,172.32 and 124,695.12

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Solution

The fourth proportional to 215,335.20, 297,172.32 and 124,695.12 is: 172,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,335.20 : 297,172.32 = 124,695.12 : x
  2. Step 2: Convert to fraction form
    215,335.20/297,172.32 = 124,695.12/x
  3. Step 3: Cross multiply
    215,335.20x = 297,172.32 × 124,695.12
  4. Step 4: Simplify right side
    215,335.20x = 37,055,938,103.08
  5. Step 5: Solve for x
    x = 37,055,938,103.08/215,335.20
  6. Step 6: Final answer
    x = 172,084.91

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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.