Home / 126,119.90-189,179.16-54,062.20

Finding the Fourth Proportional to 126,119.90, 189,179.16 and 54,062.20

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Solution

The fourth proportional to 126,119.90, 189,179.16 and 54,062.20 is: 81,093.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,119.90 : 189,179.16 = 54,062.20 : x
  2. Step 2: Convert to fraction form
    126,119.90/189,179.16 = 54,062.20/x
  3. Step 3: Cross multiply
    126,119.90x = 189,179.16 × 54,062.20
  4. Step 4: Simplify right side
    126,119.90x = 10,227,441,245.96
  5. Step 5: Solve for x
    x = 10,227,441,245.96/126,119.90
  6. Step 6: Final answer
    x = 81,093.00

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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.