Home / 132,124.24-182,305.92-78,456.88

Finding the Fourth Proportional to 132,124.24, 182,305.92 and 78,456.88

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Solution

The fourth proportional to 132,124.24, 182,305.92 and 78,456.88 is: 108,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,124.24 : 182,305.92 = 78,456.88 : x
  2. Step 2: Convert to fraction form
    132,124.24/182,305.92 = 78,456.88/x
  3. Step 3: Cross multiply
    132,124.24x = 182,305.92 × 78,456.88
  4. Step 4: Simplify right side
    132,124.24x = 14,303,153,688.73
  5. Step 5: Solve for x
    x = 14,303,153,688.73/132,124.24
  6. Step 6: Final answer
    x = 108,255.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.