Home / 99,098.31-148,670.16-42,947.85

Finding the Fourth Proportional to 99,098.31, 148,670.16 and 42,947.85

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Solution

The fourth proportional to 99,098.31, 148,670.16 and 42,947.85 is: 64,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,098.31 : 148,670.16 = 42,947.85 : x
  2. Step 2: Convert to fraction form
    99,098.31/148,670.16 = 42,947.85/x
  3. Step 3: Cross multiply
    99,098.31x = 148,670.16 × 42,947.85
  4. Step 4: Simplify right side
    99,098.31x = 6,385,063,731.16
  5. Step 5: Solve for x
    x = 6,385,063,731.16/99,098.31
  6. Step 6: Final answer
    x = 64,431.61

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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.