Home / 158,819.10-238,178.07-52,178.30

Finding the Fourth Proportional to 158,819.10, 238,178.07 and 52,178.30

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Solution

The fourth proportional to 158,819.10, 238,178.07 and 52,178.30 is: 78,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,819.10 : 238,178.07 = 52,178.30 : x
  2. Step 2: Convert to fraction form
    158,819.10/238,178.07 = 52,178.30/x
  3. Step 3: Cross multiply
    158,819.10x = 238,178.07 × 52,178.30
  4. Step 4: Simplify right side
    158,819.10x = 12,427,726,789.88
  5. Step 5: Solve for x
    x = 12,427,726,789.88/158,819.10
  6. Step 6: Final answer
    x = 78,250.83

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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.