Home / 240,543.88-331,951.20-133,121.32

Finding the Fourth Proportional to 240,543.88, 331,951.20 and 133,121.32

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Solution

The fourth proportional to 240,543.88, 331,951.20 and 133,121.32 is: 183,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,543.88 : 331,951.20 = 133,121.32 : x
  2. Step 2: Convert to fraction form
    240,543.88/331,951.20 = 133,121.32/x
  3. Step 3: Cross multiply
    240,543.88x = 331,951.20 × 133,121.32
  4. Step 4: Simplify right side
    240,543.88x = 44,189,781,919.58
  5. Step 5: Solve for x
    x = 44,189,781,919.58/240,543.88
  6. Step 6: Final answer
    x = 183,707.78

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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.