Home / 126,120.15-189,179.54-54,062.45

Finding the Fourth Proportional to 126,120.15, 189,179.54 and 54,062.45

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Solution

The fourth proportional to 126,120.15, 189,179.54 and 54,062.45 is: 81,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,120.15 : 189,179.54 = 54,062.45 : x
  2. Step 2: Convert to fraction form
    126,120.15/189,179.54 = 54,062.45/x
  3. Step 3: Cross multiply
    126,120.15x = 189,179.54 × 54,062.45
  4. Step 4: Simplify right side
    126,120.15x = 10,227,509,151.96
  5. Step 5: Solve for x
    x = 10,227,509,151.96/126,120.15
  6. Step 6: Final answer
    x = 81,093.38

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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.