Home / 99,819.92-149,730.04-29,699.92

Finding the Fourth Proportional to 99,819.92, 149,730.04 and 29,699.92

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Solution

The fourth proportional to 99,819.92, 149,730.04 and 29,699.92 is: 44,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,819.92 : 149,730.04 = 29,699.92 : x
  2. Step 2: Convert to fraction form
    99,819.92/149,730.04 = 29,699.92/x
  3. Step 3: Cross multiply
    99,819.92x = 149,730.04 × 29,699.92
  4. Step 4: Simplify right side
    99,819.92x = 4,446,970,209.60
  5. Step 5: Solve for x
    x = 4,446,970,209.60/99,819.92
  6. Step 6: Final answer
    x = 44,549.93

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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.