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Finding the Fourth Proportional to 113,182.98, 169,515.98 and 54,060.48

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Solution

The fourth proportional to 113,182.98, 169,515.98 and 54,060.48 is: 80,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,182.98 : 169,515.98 = 54,060.48 : x
  2. Step 2: Convert to fraction form
    113,182.98/169,515.98 = 54,060.48/x
  3. Step 3: Cross multiply
    113,182.98x = 169,515.98 × 54,060.48
  4. Step 4: Simplify right side
    113,182.98x = 9,164,115,246.47
  5. Step 5: Solve for x
    x = 9,164,115,246.47/113,182.98
  6. Step 6: Final answer
    x = 80,967.26

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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.