Home / 126,286.56-174,270.36-69,697.20

Finding the Fourth Proportional to 126,286.56, 174,270.36 and 69,697.20

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Solution

The fourth proportional to 126,286.56, 174,270.36 and 69,697.20 is: 96,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,286.56 : 174,270.36 = 69,697.20 : x
  2. Step 2: Convert to fraction form
    126,286.56/174,270.36 = 69,697.20/x
  3. Step 3: Cross multiply
    126,286.56x = 174,270.36 × 69,697.20
  4. Step 4: Simplify right side
    126,286.56x = 12,146,156,134.99
  5. Step 5: Solve for x
    x = 12,146,156,134.99/126,286.56
  6. Step 6: Final answer
    x = 96,179.33

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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.