Home / 132,064.71-182,248.22-71,635.20

Finding the Fourth Proportional to 132,064.71, 182,248.22 and 71,635.20

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Solution

The fourth proportional to 132,064.71, 182,248.22 and 71,635.20 is: 98,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,064.71 : 182,248.22 = 71,635.20 : x
  2. Step 2: Convert to fraction form
    132,064.71/182,248.22 = 71,635.20/x
  3. Step 3: Cross multiply
    132,064.71x = 182,248.22 × 71,635.20
  4. Step 4: Simplify right side
    132,064.71x = 13,055,386,419.93
  5. Step 5: Solve for x
    x = 13,055,386,419.93/132,064.71
  6. Step 6: Final answer
    x = 98,855.98

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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.