Home / 243,757.28-336,402.25-136,337.31

Finding the Fourth Proportional to 243,757.28, 336,402.25 and 136,337.31

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Solution

The fourth proportional to 243,757.28, 336,402.25 and 136,337.31 is: 188,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,757.28 : 336,402.25 = 136,337.31 : x
  2. Step 2: Convert to fraction form
    243,757.28/336,402.25 = 136,337.31/x
  3. Step 3: Cross multiply
    243,757.28x = 336,402.25 × 136,337.31
  4. Step 4: Simplify right side
    243,757.28x = 45,864,177,502.10
  5. Step 5: Solve for x
    x = 45,864,177,502.10/243,757.28
  6. Step 6: Final answer
    x = 188,155.11

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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.