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Finding the Fourth Proportional to 110,331.64, 152,310.54 and 67,926.52

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Solution

The fourth proportional to 110,331.64, 152,310.54 and 67,926.52 is: 93,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,331.64 : 152,310.54 = 67,926.52 : x
  2. Step 2: Convert to fraction form
    110,331.64/152,310.54 = 67,926.52/x
  3. Step 3: Cross multiply
    110,331.64x = 152,310.54 × 67,926.52
  4. Step 4: Simplify right side
    110,331.64x = 10,345,924,941.52
  5. Step 5: Solve for x
    x = 10,345,924,941.52/110,331.64
  6. Step 6: Final answer
    x = 93,771.15

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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.