Home / 126,888.28-175,026.60-81,625.24

Finding the Fourth Proportional to 126,888.28, 175,026.60 and 81,625.24

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Solution

The fourth proportional to 126,888.28, 175,026.60 and 81,625.24 is: 112,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,888.28 : 175,026.60 = 81,625.24 : x
  2. Step 2: Convert to fraction form
    126,888.28/175,026.60 = 81,625.24/x
  3. Step 3: Cross multiply
    126,888.28x = 175,026.60 × 81,625.24
  4. Step 4: Simplify right side
    126,888.28x = 14,286,588,231.38
  5. Step 5: Solve for x
    x = 14,286,588,231.38/126,888.28
  6. Step 6: Final answer
    x = 112,591.87

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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.