Home / 132,243.39-182,490.87-71,812.74

Finding the Fourth Proportional to 132,243.39, 182,490.87 and 71,812.74

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Solution

The fourth proportional to 132,243.39, 182,490.87 and 71,812.74 is: 99,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,243.39 : 182,490.87 = 71,812.74 : x
  2. Step 2: Convert to fraction form
    132,243.39/182,490.87 = 71,812.74/x
  3. Step 3: Cross multiply
    132,243.39x = 182,490.87 × 71,812.74
  4. Step 4: Simplify right side
    132,243.39x = 13,105,169,399.68
  5. Step 5: Solve for x
    x = 13,105,169,399.68/132,243.39
  6. Step 6: Final answer
    x = 99,098.86

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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.