Home / 126,124.28-189,180.94-31,352.46

Finding the Fourth Proportional to 126,124.28, 189,180.94 and 31,352.46

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Solution

The fourth proportional to 126,124.28, 189,180.94 and 31,352.46 is: 47,027.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,124.28 : 189,180.94 = 31,352.46 : x
  2. Step 2: Convert to fraction form
    126,124.28/189,180.94 = 31,352.46/x
  3. Step 3: Cross multiply
    126,124.28x = 189,180.94 × 31,352.46
  4. Step 4: Simplify right side
    126,124.28x = 5,931,287,854.11
  5. Step 5: Solve for x
    x = 5,931,287,854.11/126,124.28
  6. Step 6: Final answer
    x = 47,027.33

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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.