Home / 132,471.79-182,812.68-72,043.97

Finding the Fourth Proportional to 132,471.79, 182,812.68 and 72,043.97

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Solution

The fourth proportional to 132,471.79, 182,812.68 and 72,043.97 is: 99,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,471.79 : 182,812.68 = 72,043.97 : x
  2. Step 2: Convert to fraction form
    132,471.79/182,812.68 = 72,043.97/x
  3. Step 3: Cross multiply
    132,471.79x = 182,812.68 × 72,043.97
  4. Step 4: Simplify right side
    132,471.79x = 13,170,550,319.48
  5. Step 5: Solve for x
    x = 13,170,550,319.48/132,471.79
  6. Step 6: Final answer
    x = 99,421.55

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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.