Home / 126,850.44-175,008.72-75,827.76

Finding the Fourth Proportional to 126,850.44, 175,008.72 and 75,827.76

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Solution

The fourth proportional to 126,850.44, 175,008.72 and 75,827.76 is: 104,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,850.44 : 175,008.72 = 75,827.76 : x
  2. Step 2: Convert to fraction form
    126,850.44/175,008.72 = 75,827.76/x
  3. Step 3: Cross multiply
    126,850.44x = 175,008.72 × 75,827.76
  4. Step 4: Simplify right side
    126,850.44x = 13,270,519,218.07
  5. Step 5: Solve for x
    x = 13,270,519,218.07/126,850.44
  6. Step 6: Final answer
    x = 104,615.48

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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.