Home / 115,034.72-172,593.60-40,165.90

Finding the Fourth Proportional to 115,034.72, 172,593.60 and 40,165.90

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Solution

The fourth proportional to 115,034.72, 172,593.60 and 40,165.90 is: 60,263.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,034.72 : 172,593.60 = 40,165.90 : x
  2. Step 2: Convert to fraction form
    115,034.72/172,593.60 = 40,165.90/x
  3. Step 3: Cross multiply
    115,034.72x = 172,593.60 × 40,165.90
  4. Step 4: Simplify right side
    115,034.72x = 6,932,377,278.24
  5. Step 5: Solve for x
    x = 6,932,377,278.24/115,034.72
  6. Step 6: Final answer
    x = 60,263.35

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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.