Home / 132,299.55-182,572.65-71,869.70

Finding the Fourth Proportional to 132,299.55, 182,572.65 and 71,869.70

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Solution

The fourth proportional to 132,299.55, 182,572.65 and 71,869.70 is: 99,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,299.55 : 182,572.65 = 71,869.70 : x
  2. Step 2: Convert to fraction form
    132,299.55/182,572.65 = 71,869.70/x
  3. Step 3: Cross multiply
    132,299.55x = 182,572.65 × 71,869.70
  4. Step 4: Simplify right side
    132,299.55x = 13,121,442,040.14
  5. Step 5: Solve for x
    x = 13,121,442,040.14/132,299.55
  6. Step 6: Final answer
    x = 99,179.79

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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.