Home / 126,039.88-173,938.74-69,454.90

Finding the Fourth Proportional to 126,039.88, 173,938.74 and 69,454.90

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Solution

The fourth proportional to 126,039.88, 173,938.74 and 69,454.90 is: 95,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,039.88 : 173,938.74 = 69,454.90 : x
  2. Step 2: Convert to fraction form
    126,039.88/173,938.74 = 69,454.90/x
  3. Step 3: Cross multiply
    126,039.88x = 173,938.74 × 69,454.90
  4. Step 4: Simplify right side
    126,039.88x = 12,080,896,923.13
  5. Step 5: Solve for x
    x = 12,080,896,923.13/126,039.88
  6. Step 6: Final answer
    x = 95,849.80

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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.