Home / 126,286.56-174,279.60-69,703.20

Finding the Fourth Proportional to 126,286.56, 174,279.60 and 69,703.20

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Solution

The fourth proportional to 126,286.56, 174,279.60 and 69,703.20 is: 96,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,286.56 : 174,279.60 = 69,703.20 : x
  2. Step 2: Convert to fraction form
    126,286.56/174,279.60 = 69,703.20/x
  3. Step 3: Cross multiply
    126,286.56x = 174,279.60 × 69,703.20
  4. Step 4: Simplify right side
    126,286.56x = 12,147,845,814.72
  5. Step 5: Solve for x
    x = 12,147,845,814.72/126,286.56
  6. Step 6: Final answer
    x = 96,192.71

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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.