Home / 99,543.28-149,309.52-40,363.06

Finding the Fourth Proportional to 99,543.28, 149,309.52 and 40,363.06

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Solution

The fourth proportional to 99,543.28, 149,309.52 and 40,363.06 is: 60,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,543.28 : 149,309.52 = 40,363.06 : x
  2. Step 2: Convert to fraction form
    99,543.28/149,309.52 = 40,363.06/x
  3. Step 3: Cross multiply
    99,543.28x = 149,309.52 × 40,363.06
  4. Step 4: Simplify right side
    99,543.28x = 6,026,589,114.33
  5. Step 5: Solve for x
    x = 6,026,589,114.33/99,543.28
  6. Step 6: Final answer
    x = 60,542.40

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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.