Home / 126,275.26-189,260.58-55,167.39

Finding the Fourth Proportional to 126,275.26, 189,260.58 and 55,167.39

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Solution

The fourth proportional to 126,275.26, 189,260.58 and 55,167.39 is: 82,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,275.26 : 189,260.58 = 55,167.39 : x
  2. Step 2: Convert to fraction form
    126,275.26/189,260.58 = 55,167.39/x
  3. Step 3: Cross multiply
    126,275.26x = 189,260.58 × 55,167.39
  4. Step 4: Simplify right side
    126,275.26x = 10,441,012,228.49
  5. Step 5: Solve for x
    x = 10,441,012,228.49/126,275.26
  6. Step 6: Final answer
    x = 82,684.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.