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Finding the Fourth Proportional to 158,265.78, 237,080.70 and 73,909.62

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Solution

The fourth proportional to 158,265.78, 237,080.70 and 73,909.62 is: 110,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,265.78 : 237,080.70 = 73,909.62 : x
  2. Step 2: Convert to fraction form
    158,265.78/237,080.70 = 73,909.62/x
  3. Step 3: Cross multiply
    158,265.78x = 237,080.70 × 73,909.62
  4. Step 4: Simplify right side
    158,265.78x = 17,522,544,446.33
  5. Step 5: Solve for x
    x = 17,522,544,446.33/158,265.78
  6. Step 6: Final answer
    x = 110,715.94

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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.