Home / 126,418.56-189,476.64-56,218.56

Finding the Fourth Proportional to 126,418.56, 189,476.64 and 56,218.56

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Solution

The fourth proportional to 126,418.56, 189,476.64 and 56,218.56 is: 84,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,418.56 : 189,476.64 = 56,218.56 : x
  2. Step 2: Convert to fraction form
    126,418.56/189,476.64 = 56,218.56/x
  3. Step 3: Cross multiply
    126,418.56x = 189,476.64 × 56,218.56
  4. Step 4: Simplify right side
    126,418.56x = 10,652,103,854.44
  5. Step 5: Solve for x
    x = 10,652,103,854.44/126,418.56
  6. Step 6: Final answer
    x = 84,260.60

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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.