Home / 126,531.86-174,608.57-69,170.12

Finding the Fourth Proportional to 126,531.86, 174,608.57 and 69,170.12

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Solution

The fourth proportional to 126,531.86, 174,608.57 and 69,170.12 is: 95,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,531.86 : 174,608.57 = 69,170.12 : x
  2. Step 2: Convert to fraction form
    126,531.86/174,608.57 = 69,170.12/x
  3. Step 3: Cross multiply
    126,531.86x = 174,608.57 × 69,170.12
  4. Step 4: Simplify right side
    126,531.86x = 12,077,695,394.08
  5. Step 5: Solve for x
    x = 12,077,695,394.08/126,531.86
  6. Step 6: Final answer
    x = 95,451.81

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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.