Home / 148,965.83-223,149.56-68,891.55

Finding the Fourth Proportional to 148,965.83, 223,149.56 and 68,891.55

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Solution

The fourth proportional to 148,965.83, 223,149.56 and 68,891.55 is: 103,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,965.83 : 223,149.56 = 68,891.55 : x
  2. Step 2: Convert to fraction form
    148,965.83/223,149.56 = 68,891.55/x
  3. Step 3: Cross multiply
    148,965.83x = 223,149.56 × 68,891.55
  4. Step 4: Simplify right side
    148,965.83x = 15,373,118,725.76
  5. Step 5: Solve for x
    x = 15,373,118,725.76/148,965.83
  6. Step 6: Final answer
    x = 103,198.96

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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.