Home / 236,787.91-326,750.15-129,335.13

Finding the Fourth Proportional to 236,787.91, 326,750.15 and 129,335.13

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Solution

The fourth proportional to 236,787.91, 326,750.15 and 129,335.13 is: 178,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,787.91 : 326,750.15 = 129,335.13 : x
  2. Step 2: Convert to fraction form
    236,787.91/326,750.15 = 129,335.13/x
  3. Step 3: Cross multiply
    236,787.91x = 326,750.15 × 129,335.13
  4. Step 4: Simplify right side
    236,787.91x = 42,260,273,451.11
  5. Step 5: Solve for x
    x = 42,260,273,451.11/236,787.91
  6. Step 6: Final answer
    x = 178,473.11

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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.