Home / 84,117.92-126,204.22-56,151.66

Finding the Fourth Proportional to 84,117.92, 126,204.22 and 56,151.66

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Solution

The fourth proportional to 84,117.92, 126,204.22 and 56,151.66 is: 84,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,117.92 : 126,204.22 = 56,151.66 : x
  2. Step 2: Convert to fraction form
    84,117.92/126,204.22 = 56,151.66/x
  3. Step 3: Cross multiply
    84,117.92x = 126,204.22 × 56,151.66
  4. Step 4: Simplify right side
    84,117.92x = 7,086,576,452.01
  5. Step 5: Solve for x
    x = 7,086,576,452.01/84,117.92
  6. Step 6: Final answer
    x = 84,245.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.