Home / 88,040.10-131,714.55-79,745.70

Finding the Fourth Proportional to 88,040.10, 131,714.55 and 79,745.70

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Solution

The fourth proportional to 88,040.10, 131,714.55 and 79,745.70 is: 119,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,040.10 : 131,714.55 = 79,745.70 : x
  2. Step 2: Convert to fraction form
    88,040.10/131,714.55 = 79,745.70/x
  3. Step 3: Cross multiply
    88,040.10x = 131,714.55 × 79,745.70
  4. Step 4: Simplify right side
    88,040.10x = 10,503,668,989.94
  5. Step 5: Solve for x
    x = 10,503,668,989.94/88,040.10
  6. Step 6: Final answer
    x = 119,305.51

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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.