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Finding the Fourth Proportional to 130,344, 179,874.88 and 73,754.24

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Solution

The fourth proportional to 130,344, 179,874.88 and 73,754.24 is: 101,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,344 : 179,874.88 = 73,754.24 : x
  2. Step 2: Convert to fraction form
    130,344/179,874.88 = 73,754.24/x
  3. Step 3: Cross multiply
    130,344x = 179,874.88 × 73,754.24
  4. Step 4: Simplify right side
    130,344x = 13,266,535,069.49
  5. Step 5: Solve for x
    x = 13,266,535,069.49/130,344
  6. Step 6: Final answer
    x = 101,780.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.