Home / 132,591.12-198,886.44-39,162.48

Finding the Fourth Proportional to 132,591.12, 198,886.44 and 39,162.48

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Solution

The fourth proportional to 132,591.12, 198,886.44 and 39,162.48 is: 58,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,591.12 : 198,886.44 = 39,162.48 : x
  2. Step 2: Convert to fraction form
    132,591.12/198,886.44 = 39,162.48/x
  3. Step 3: Cross multiply
    132,591.12x = 198,886.44 × 39,162.48
  4. Step 4: Simplify right side
    132,591.12x = 7,788,886,228.77
  5. Step 5: Solve for x
    x = 7,788,886,228.77/132,591.12
  6. Step 6: Final answer
    x = 58,743.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.