Home / 99,285.76-148,921.36-29,170.56

Finding the Fourth Proportional to 99,285.76, 148,921.36 and 29,170.56

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Solution

The fourth proportional to 99,285.76, 148,921.36 and 29,170.56 is: 43,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,285.76 : 148,921.36 = 29,170.56 : x
  2. Step 2: Convert to fraction form
    99,285.76/148,921.36 = 29,170.56/x
  3. Step 3: Cross multiply
    99,285.76x = 148,921.36 × 29,170.56
  4. Step 4: Simplify right side
    99,285.76x = 4,344,119,467.16
  5. Step 5: Solve for x
    x = 4,344,119,467.16/99,285.76
  6. Step 6: Final answer
    x = 43,753.70

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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.