Home / 126,528.43-174,603.19-69,170.71

Finding the Fourth Proportional to 126,528.43, 174,603.19 and 69,170.71

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Solution

The fourth proportional to 126,528.43, 174,603.19 and 69,170.71 is: 95,452.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,528.43 : 174,603.19 = 69,170.71 : x
  2. Step 2: Convert to fraction form
    126,528.43/174,603.19 = 69,170.71/x
  3. Step 3: Cross multiply
    126,528.43x = 174,603.19 × 69,170.71
  4. Step 4: Simplify right side
    126,528.43x = 12,077,425,747.55
  5. Step 5: Solve for x
    x = 12,077,425,747.55/126,528.43
  6. Step 6: Final answer
    x = 95,452.27

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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.