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Finding the Fourth Proportional to 188,560.57, 260,211.48 and 140,377.93

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Solution

The fourth proportional to 188,560.57, 260,211.48 and 140,377.93 is: 193,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,560.57 : 260,211.48 = 140,377.93 : x
  2. Step 2: Convert to fraction form
    188,560.57/260,211.48 = 140,377.93/x
  3. Step 3: Cross multiply
    188,560.57x = 260,211.48 × 140,377.93
  4. Step 4: Simplify right side
    188,560.57x = 36,527,948,924.64
  5. Step 5: Solve for x
    x = 36,527,948,924.64/188,560.57
  6. Step 6: Final answer
    x = 193,719.98

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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.