Home / 132,397.76-182,712.47-71,972.46

Finding the Fourth Proportional to 132,397.76, 182,712.47 and 71,972.46

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Solution

The fourth proportional to 132,397.76, 182,712.47 and 71,972.46 is: 99,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,397.76 : 182,712.47 = 71,972.46 : x
  2. Step 2: Convert to fraction form
    132,397.76/182,712.47 = 71,972.46/x
  3. Step 3: Cross multiply
    132,397.76x = 182,712.47 × 71,972.46
  4. Step 4: Simplify right side
    132,397.76x = 13,150,265,578.71
  5. Step 5: Solve for x
    x = 13,150,265,578.71/132,397.76
  6. Step 6: Final answer
    x = 99,323.93

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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.