Home / 132,291.30-182,562.59-71,862.98

Finding the Fourth Proportional to 132,291.30, 182,562.59 and 71,862.98

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Solution

The fourth proportional to 132,291.30, 182,562.59 and 71,862.98 is: 99,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,291.30 : 182,562.59 = 71,862.98 : x
  2. Step 2: Convert to fraction form
    132,291.30/182,562.59 = 71,862.98/x
  3. Step 3: Cross multiply
    132,291.30x = 182,562.59 × 71,862.98
  4. Step 4: Simplify right side
    132,291.30x = 13,119,491,020.76
  5. Step 5: Solve for x
    x = 13,119,491,020.76/132,291.30
  6. Step 6: Final answer
    x = 99,171.23

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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.