Home / 132,228.73-182,449.97-78,530.59

Finding the Fourth Proportional to 132,228.73, 182,449.97 and 78,530.59

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Solution

The fourth proportional to 132,228.73, 182,449.97 and 78,530.59 is: 108,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,228.73 : 182,449.97 = 78,530.59 : x
  2. Step 2: Convert to fraction form
    132,228.73/182,449.97 = 78,530.59/x
  3. Step 3: Cross multiply
    132,228.73x = 182,449.97 × 78,530.59
  4. Step 4: Simplify right side
    132,228.73x = 14,327,903,789.58
  5. Step 5: Solve for x
    x = 14,327,903,789.58/132,228.73
  6. Step 6: Final answer
    x = 108,356.96

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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.