Home / 132,565.50-182,910.08-75,191.12

Finding the Fourth Proportional to 132,565.50, 182,910.08 and 75,191.12

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Solution

The fourth proportional to 132,565.50, 182,910.08 and 75,191.12 is: 103,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.50 : 182,910.08 = 75,191.12 : x
  2. Step 2: Convert to fraction form
    132,565.50/182,910.08 = 75,191.12/x
  3. Step 3: Cross multiply
    132,565.50x = 182,910.08 × 75,191.12
  4. Step 4: Simplify right side
    132,565.50x = 13,753,212,483.98
  5. Step 5: Solve for x
    x = 13,753,212,483.98/132,565.50
  6. Step 6: Final answer
    x = 103,746.54

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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.