Home / 126,250.88-189,408.03-36,293.75

Finding the Fourth Proportional to 126,250.88, 189,408.03 and 36,293.75

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Solution

The fourth proportional to 126,250.88, 189,408.03 and 36,293.75 is: 54,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,250.88 : 189,408.03 = 36,293.75 : x
  2. Step 2: Convert to fraction form
    126,250.88/189,408.03 = 36,293.75/x
  3. Step 3: Cross multiply
    126,250.88x = 189,408.03 × 36,293.75
  4. Step 4: Simplify right side
    126,250.88x = 6,874,327,807.19
  5. Step 5: Solve for x
    x = 6,874,327,807.19/126,250.88
  6. Step 6: Final answer
    x = 54,449.74

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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.