Home / 137,740.80-206,611.20-95,531.70

Finding the Fourth Proportional to 137,740.80, 206,611.20 and 95,531.70

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Solution

The fourth proportional to 137,740.80, 206,611.20 and 95,531.70 is: 143,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,740.80 : 206,611.20 = 95,531.70 : x
  2. Step 2: Convert to fraction form
    137,740.80/206,611.20 = 95,531.70/x
  3. Step 3: Cross multiply
    137,740.80x = 206,611.20 × 95,531.70
  4. Step 4: Simplify right side
    137,740.80x = 19,737,919,175.04
  5. Step 5: Solve for x
    x = 19,737,919,175.04/137,740.80
  6. Step 6: Final answer
    x = 143,297.55

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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.