Home / 88,040.60-131,715.30-79,746.20

Finding the Fourth Proportional to 88,040.60, 131,715.30 and 79,746.20

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Solution

The fourth proportional to 88,040.60, 131,715.30 and 79,746.20 is: 119,306.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,040.60 : 131,715.30 = 79,746.20 : x
  2. Step 2: Convert to fraction form
    88,040.60/131,715.30 = 79,746.20/x
  3. Step 3: Cross multiply
    88,040.60x = 131,715.30 × 79,746.20
  4. Step 4: Simplify right side
    88,040.60x = 10,503,794,656.86
  5. Step 5: Solve for x
    x = 10,503,794,656.86/88,040.60
  6. Step 6: Final answer
    x = 119,306.26

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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.