Home / 126,375.20-174,397.53-72,670.58

Finding the Fourth Proportional to 126,375.20, 174,397.53 and 72,670.58

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Solution

The fourth proportional to 126,375.20, 174,397.53 and 72,670.58 is: 100,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,375.20 : 174,397.53 = 72,670.58 : x
  2. Step 2: Convert to fraction form
    126,375.20/174,397.53 = 72,670.58/x
  3. Step 3: Cross multiply
    126,375.20x = 174,397.53 × 72,670.58
  4. Step 4: Simplify right side
    126,375.20x = 12,673,569,655.67
  5. Step 5: Solve for x
    x = 12,673,569,655.67/126,375.20
  6. Step 6: Final answer
    x = 100,285.26

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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.