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Finding the Fourth Proportional to 132,281.68, 182,552.12 and 71,855.78

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Solution

The fourth proportional to 132,281.68, 182,552.12 and 71,855.78 is: 99,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,281.68 : 182,552.12 = 71,855.78 : x
  2. Step 2: Convert to fraction form
    132,281.68/182,552.12 = 71,855.78/x
  3. Step 3: Cross multiply
    132,281.68x = 182,552.12 × 71,855.78
  4. Step 4: Simplify right side
    132,281.68x = 13,117,425,409.91
  5. Step 5: Solve for x
    x = 13,117,425,409.91/132,281.68
  6. Step 6: Final answer
    x = 99,162.83

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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.