Home / 126,842.46-175,045.42-72,393.53

Finding the Fourth Proportional to 126,842.46, 175,045.42 and 72,393.53

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Solution

The fourth proportional to 126,842.46, 175,045.42 and 72,393.53 is: 99,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,842.46 : 175,045.42 = 72,393.53 : x
  2. Step 2: Convert to fraction form
    126,842.46/175,045.42 = 72,393.53/x
  3. Step 3: Cross multiply
    126,842.46x = 175,045.42 × 72,393.53
  4. Step 4: Simplify right side
    126,842.46x = 12,672,156,497.09
  5. Step 5: Solve for x
    x = 12,672,156,497.09/126,842.46
  6. Step 6: Final answer
    x = 99,904.69

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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.