Home / 99,487.04-149,136.73-49,519.89

Finding the Fourth Proportional to 99,487.04, 149,136.73 and 49,519.89

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Solution

The fourth proportional to 99,487.04, 149,136.73 and 49,519.89 is: 74,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,487.04 : 149,136.73 = 49,519.89 : x
  2. Step 2: Convert to fraction form
    99,487.04/149,136.73 = 49,519.89/x
  3. Step 3: Cross multiply
    99,487.04x = 149,136.73 × 49,519.89
  4. Step 4: Simplify right side
    99,487.04x = 7,385,234,464.56
  5. Step 5: Solve for x
    x = 7,385,234,464.56/99,487.04
  6. Step 6: Final answer
    x = 74,233.13

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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.