Home / 99,614.47-149,377.73-28,520.97

Finding the Fourth Proportional to 99,614.47, 149,377.73 and 28,520.97

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Solution

The fourth proportional to 99,614.47, 149,377.73 and 28,520.97 is: 42,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,614.47 : 149,377.73 = 28,520.97 : x
  2. Step 2: Convert to fraction form
    99,614.47/149,377.73 = 28,520.97/x
  3. Step 3: Cross multiply
    99,614.47x = 149,377.73 × 28,520.97
  4. Step 4: Simplify right side
    99,614.47x = 4,260,397,756.00
  5. Step 5: Solve for x
    x = 4,260,397,756.00/99,614.47
  6. Step 6: Final answer
    x = 42,768.87

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1.5x scale

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.