Home / 132,543.92-182,912.49-72,114.61

Finding the Fourth Proportional to 132,543.92, 182,912.49 and 72,114.61

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Solution

The fourth proportional to 132,543.92, 182,912.49 and 72,114.61 is: 99,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,543.92 : 182,912.49 = 72,114.61 : x
  2. Step 2: Convert to fraction form
    132,543.92/182,912.49 = 72,114.61/x
  3. Step 3: Cross multiply
    132,543.92x = 182,912.49 × 72,114.61
  4. Step 4: Simplify right side
    132,543.92x = 13,190,662,423.20
  5. Step 5: Solve for x
    x = 13,190,662,423.20/132,543.92
  6. Step 6: Final answer
    x = 99,519.18

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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.