Home / 126,718.40-174,869.16-73,003.28

Finding the Fourth Proportional to 126,718.40, 174,869.16 and 73,003.28

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Solution

The fourth proportional to 126,718.40, 174,869.16 and 73,003.28 is: 100,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,718.40 : 174,869.16 = 73,003.28 : x
  2. Step 2: Convert to fraction form
    126,718.40/174,869.16 = 73,003.28/x
  3. Step 3: Cross multiply
    126,718.40x = 174,869.16 × 73,003.28
  4. Step 4: Simplify right side
    126,718.40x = 12,766,022,250.84
  5. Step 5: Solve for x
    x = 12,766,022,250.84/126,718.40
  6. Step 6: Final answer
    x = 100,743.24

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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.