Home / 126,775-174,949.50-70,190.02

Finding the Fourth Proportional to 126,775, 174,949.50 and 70,190.02

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Solution

The fourth proportional to 126,775, 174,949.50 and 70,190.02 is: 96,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775 : 174,949.50 = 70,190.02 : x
  2. Step 2: Convert to fraction form
    126,775/174,949.50 = 70,190.02/x
  3. Step 3: Cross multiply
    126,775x = 174,949.50 × 70,190.02
  4. Step 4: Simplify right side
    126,775x = 12,279,708,903.99
  5. Step 5: Solve for x
    x = 12,279,708,903.99/126,775
  6. Step 6: Final answer
    x = 96,862.23

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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.