Home / 105,732.38-145,889.49-60,425.24

Finding the Fourth Proportional to 105,732.38, 145,889.49 and 60,425.24

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Solution

The fourth proportional to 105,732.38, 145,889.49 and 60,425.24 is: 83,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,732.38 : 145,889.49 = 60,425.24 : x
  2. Step 2: Convert to fraction form
    105,732.38/145,889.49 = 60,425.24/x
  3. Step 3: Cross multiply
    105,732.38x = 145,889.49 × 60,425.24
  4. Step 4: Simplify right side
    105,732.38x = 8,815,407,446.73
  5. Step 5: Solve for x
    x = 8,815,407,446.73/105,732.38
  6. Step 6: Final answer
    x = 83,374.72

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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.