Home / 88,000.70-132,001.05-74,911.10

Finding the Fourth Proportional to 88,000.70, 132,001.05 and 74,911.10

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Solution

The fourth proportional to 88,000.70, 132,001.05 and 74,911.10 is: 112,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.70 : 132,001.05 = 74,911.10 : x
  2. Step 2: Convert to fraction form
    88,000.70/132,001.05 = 74,911.10/x
  3. Step 3: Cross multiply
    88,000.70x = 132,001.05 × 74,911.10
  4. Step 4: Simplify right side
    88,000.70x = 9,888,343,856.66
  5. Step 5: Solve for x
    x = 9,888,343,856.66/88,000.70
  6. Step 6: Final answer
    x = 112,366.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.