Home / 126,314.74-189,531.17-55,228.15

Finding the Fourth Proportional to 126,314.74, 189,531.17 and 55,228.15

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Solution

The fourth proportional to 126,314.74, 189,531.17 and 55,228.15 is: 82,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,314.74 : 189,531.17 = 55,228.15 : x
  2. Step 2: Convert to fraction form
    126,314.74/189,531.17 = 55,228.15/x
  3. Step 3: Cross multiply
    126,314.74x = 189,531.17 × 55,228.15
  4. Step 4: Simplify right side
    126,314.74x = 10,467,454,662.64
  5. Step 5: Solve for x
    x = 10,467,454,662.64/126,314.74
  6. Step 6: Final answer
    x = 82,868.04

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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.