Home / 126,360.19-189,428.60-51,542.92

Finding the Fourth Proportional to 126,360.19, 189,428.60 and 51,542.92

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Solution

The fourth proportional to 126,360.19, 189,428.60 and 51,542.92 is: 77,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,360.19 : 189,428.60 = 51,542.92 : x
  2. Step 2: Convert to fraction form
    126,360.19/189,428.60 = 51,542.92/x
  3. Step 3: Cross multiply
    126,360.19x = 189,428.60 × 51,542.92
  4. Step 4: Simplify right side
    126,360.19x = 9,763,702,917.80
  5. Step 5: Solve for x
    x = 9,763,702,917.80/126,360.19
  6. Step 6: Final answer
    x = 77,268.82

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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.