Home / 132,451.52-182,738.37-75,084.69

Finding the Fourth Proportional to 132,451.52, 182,738.37 and 75,084.69

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Solution

The fourth proportional to 132,451.52, 182,738.37 and 75,084.69 is: 103,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,451.52 : 182,738.37 = 75,084.69 : x
  2. Step 2: Convert to fraction form
    132,451.52/182,738.37 = 75,084.69/x
  3. Step 3: Cross multiply
    132,451.52x = 182,738.37 × 75,084.69
  4. Step 4: Simplify right side
    132,451.52x = 13,720,853,487.13
  5. Step 5: Solve for x
    x = 13,720,853,487.13/132,451.52
  6. Step 6: Final answer
    x = 103,591.51

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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.