Home / 113,387.20-169,967.94-54,153.64

Finding the Fourth Proportional to 113,387.20, 169,967.94 and 54,153.64

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Solution

The fourth proportional to 113,387.20, 169,967.94 and 54,153.64 is: 81,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,387.20 : 169,967.94 = 54,153.64 : x
  2. Step 2: Convert to fraction form
    113,387.20/169,967.94 = 54,153.64/x
  3. Step 3: Cross multiply
    113,387.20x = 169,967.94 × 54,153.64
  4. Step 4: Simplify right side
    113,387.20x = 9,204,382,634.30
  5. Step 5: Solve for x
    x = 9,204,382,634.30/113,387.20
  6. Step 6: Final answer
    x = 81,176.56

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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.