Home / 126,887.28-175,025.22-81,624.24

Finding the Fourth Proportional to 126,887.28, 175,025.22 and 81,624.24

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Solution

The fourth proportional to 126,887.28, 175,025.22 and 81,624.24 is: 112,590.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,887.28 : 175,025.22 = 81,624.24 : x
  2. Step 2: Convert to fraction form
    126,887.28/175,025.22 = 81,624.24/x
  3. Step 3: Cross multiply
    126,887.28x = 175,025.22 × 81,624.24
  4. Step 4: Simplify right side
    126,887.28x = 14,286,300,563.33
  5. Step 5: Solve for x
    x = 14,286,300,563.33/126,887.28
  6. Step 6: Final answer
    x = 112,590.49

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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.