Home / 126,791.41-174,972.44-69,434.49

Finding the Fourth Proportional to 126,791.41, 174,972.44 and 69,434.49

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Solution

The fourth proportional to 126,791.41, 174,972.44 and 69,434.49 is: 95,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,791.41 : 174,972.44 = 69,434.49 : x
  2. Step 2: Convert to fraction form
    126,791.41/174,972.44 = 69,434.49/x
  3. Step 3: Cross multiply
    126,791.41x = 174,972.44 × 69,434.49
  4. Step 4: Simplify right side
    126,791.41x = 12,149,122,135.46
  5. Step 5: Solve for x
    x = 12,149,122,135.46/126,791.41
  6. Step 6: Final answer
    x = 95,819.76

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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.