Home / 137,604.72-206,418-58,719.60

Finding the Fourth Proportional to 137,604.72, 206,418 and 58,719.60

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Solution

The fourth proportional to 137,604.72, 206,418 and 58,719.60 is: 88,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,604.72 : 206,418 = 58,719.60 : x
  2. Step 2: Convert to fraction form
    137,604.72/206,418 = 58,719.60/x
  3. Step 3: Cross multiply
    137,604.72x = 206,418 × 58,719.60
  4. Step 4: Simplify right side
    137,604.72x = 12,120,782,392.80
  5. Step 5: Solve for x
    x = 12,120,782,392.80/137,604.72
  6. Step 6: Final answer
    x = 88,084.06

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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.