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Finding the Fourth Proportional to 158,266.78, 237,082.20 and 73,910.62

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Solution

The fourth proportional to 158,266.78, 237,082.20 and 73,910.62 is: 110,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,266.78 : 237,082.20 = 73,910.62 : x
  2. Step 2: Convert to fraction form
    158,266.78/237,082.20 = 73,910.62/x
  3. Step 3: Cross multiply
    158,266.78x = 237,082.20 × 73,910.62
  4. Step 4: Simplify right side
    158,266.78x = 17,522,892,392.96
  5. Step 5: Solve for x
    x = 17,522,892,392.96/158,266.78
  6. Step 6: Final answer
    x = 110,717.44

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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.