Home / 115,206.28-172,887.24-40,327.04

Finding the Fourth Proportional to 115,206.28, 172,887.24 and 40,327.04

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Solution

The fourth proportional to 115,206.28, 172,887.24 and 40,327.04 is: 60,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,206.28 : 172,887.24 = 40,327.04 : x
  2. Step 2: Convert to fraction form
    115,206.28/172,887.24 = 40,327.04/x
  3. Step 3: Cross multiply
    115,206.28x = 172,887.24 × 40,327.04
  4. Step 4: Simplify right side
    115,206.28x = 6,972,030,642.97
  5. Step 5: Solve for x
    x = 6,972,030,642.97/115,206.28
  6. Step 6: Final answer
    x = 60,517.80

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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.