Home / 132,381.09-182,687.75-71,951.71

Finding the Fourth Proportional to 132,381.09, 182,687.75 and 71,951.71

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Solution

The fourth proportional to 132,381.09, 182,687.75 and 71,951.71 is: 99,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,381.09 : 182,687.75 = 71,951.71 : x
  2. Step 2: Convert to fraction form
    132,381.09/182,687.75 = 71,951.71/x
  3. Step 3: Cross multiply
    132,381.09x = 182,687.75 × 71,951.71
  4. Step 4: Simplify right side
    132,381.09x = 13,144,696,465.27
  5. Step 5: Solve for x
    x = 13,144,696,465.27/132,381.09
  6. Step 6: Final answer
    x = 99,294.37

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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.