Home / 99,332.10-148,998.15-88,445.70

Finding the Fourth Proportional to 99,332.10, 148,998.15 and 88,445.70

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Solution

The fourth proportional to 99,332.10, 148,998.15 and 88,445.70 is: 132,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,332.10 : 148,998.15 = 88,445.70 : x
  2. Step 2: Convert to fraction form
    99,332.10/148,998.15 = 88,445.70/x
  3. Step 3: Cross multiply
    99,332.10x = 148,998.15 × 88,445.70
  4. Step 4: Simplify right side
    99,332.10x = 13,178,245,675.46
  5. Step 5: Solve for x
    x = 13,178,245,675.46/99,332.10
  6. Step 6: Final answer
    x = 132,668.55

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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.