Home / 136,732.32-188,691.04-76,305.52

Finding the Fourth Proportional to 136,732.32, 188,691.04 and 76,305.52

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Solution

The fourth proportional to 136,732.32, 188,691.04 and 76,305.52 is: 105,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,732.32 : 188,691.04 = 76,305.52 : x
  2. Step 2: Convert to fraction form
    136,732.32/188,691.04 = 76,305.52/x
  3. Step 3: Cross multiply
    136,732.32x = 188,691.04 × 76,305.52
  4. Step 4: Simplify right side
    136,732.32x = 14,398,167,926.54
  5. Step 5: Solve for x
    x = 14,398,167,926.54/136,732.32
  6. Step 6: Final answer
    x = 105,301.86

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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.