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Finding the Fourth Proportional to 158,538.62, 237,844.53 and 53,355.02

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Solution

The fourth proportional to 158,538.62, 237,844.53 and 53,355.02 is: 80,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,538.62 : 237,844.53 = 53,355.02 : x
  2. Step 2: Convert to fraction form
    158,538.62/237,844.53 = 53,355.02/x
  3. Step 3: Cross multiply
    158,538.62x = 237,844.53 × 53,355.02
  4. Step 4: Simplify right side
    158,538.62x = 12,690,199,655.04
  5. Step 5: Solve for x
    x = 12,690,199,655.04/158,538.62
  6. Step 6: Final answer
    x = 80,044.85

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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.