Home / 126,118.20-173,983.74-75,101.88

Finding the Fourth Proportional to 126,118.20, 173,983.74 and 75,101.88

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Solution

The fourth proportional to 126,118.20, 173,983.74 and 75,101.88 is: 103,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,118.20 : 173,983.74 = 75,101.88 : x
  2. Step 2: Convert to fraction form
    126,118.20/173,983.74 = 75,101.88/x
  3. Step 3: Cross multiply
    126,118.20x = 173,983.74 × 75,101.88
  4. Step 4: Simplify right side
    126,118.20x = 13,066,505,963.43
  5. Step 5: Solve for x
    x = 13,066,505,963.43/126,118.20
  6. Step 6: Final answer
    x = 103,605.24

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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.