Home / 99,102.31-148,676.16-42,951.85

Finding the Fourth Proportional to 99,102.31, 148,676.16 and 42,951.85

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Solution

The fourth proportional to 99,102.31, 148,676.16 and 42,951.85 is: 64,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,102.31 : 148,676.16 = 42,951.85 : x
  2. Step 2: Convert to fraction form
    99,102.31/148,676.16 = 42,951.85/x
  3. Step 3: Cross multiply
    99,102.31x = 148,676.16 × 42,951.85
  4. Step 4: Simplify right side
    99,102.31x = 6,385,916,122.90
  5. Step 5: Solve for x
    x = 6,385,916,122.90/99,102.31
  6. Step 6: Final answer
    x = 64,437.61

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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.