Home / 126,942.43-175,174.39-73,244.78

Finding the Fourth Proportional to 126,942.43, 175,174.39 and 73,244.78

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Solution

The fourth proportional to 126,942.43, 175,174.39 and 73,244.78 is: 101,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,942.43 : 175,174.39 = 73,244.78 : x
  2. Step 2: Convert to fraction form
    126,942.43/175,174.39 = 73,244.78/x
  3. Step 3: Cross multiply
    126,942.43x = 175,174.39 × 73,244.78
  4. Step 4: Simplify right side
    126,942.43x = 12,830,609,657.18
  5. Step 5: Solve for x
    x = 12,830,609,657.18/126,942.43
  6. Step 6: Final answer
    x = 101,074.24

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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.