Home / 126,204.48-174,162.34-72,499.92

Finding the Fourth Proportional to 126,204.48, 174,162.34 and 72,499.92

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Solution

The fourth proportional to 126,204.48, 174,162.34 and 72,499.92 is: 100,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,204.48 : 174,162.34 = 72,499.92 : x
  2. Step 2: Convert to fraction form
    126,204.48/174,162.34 = 72,499.92/x
  3. Step 3: Cross multiply
    126,204.48x = 174,162.34 × 72,499.92
  4. Step 4: Simplify right side
    126,204.48x = 12,626,755,717.01
  5. Step 5: Solve for x
    x = 12,626,755,717.01/126,204.48
  6. Step 6: Final answer
    x = 100,049.98

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1.5x scale

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.