Home / 99,747.28-149,494.76-43,572.56

Finding the Fourth Proportional to 99,747.28, 149,494.76 and 43,572.56

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Solution

The fourth proportional to 99,747.28, 149,494.76 and 43,572.56 is: 65,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,747.28 : 149,494.76 = 43,572.56 : x
  2. Step 2: Convert to fraction form
    99,747.28/149,494.76 = 43,572.56/x
  3. Step 3: Cross multiply
    99,747.28x = 149,494.76 × 43,572.56
  4. Step 4: Simplify right side
    99,747.28x = 6,513,869,399.79
  5. Step 5: Solve for x
    x = 6,513,869,399.79/99,747.28
  6. Step 6: Final answer
    x = 65,303.73

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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.