Home / 126,097.20-189,160.92-51,201.36

Finding the Fourth Proportional to 126,097.20, 189,160.92 and 51,201.36

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Solution

The fourth proportional to 126,097.20, 189,160.92 and 51,201.36 is: 76,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,097.20 : 189,160.92 = 51,201.36 : x
  2. Step 2: Convert to fraction form
    126,097.20/189,160.92 = 51,201.36/x
  3. Step 3: Cross multiply
    126,097.20x = 189,160.92 × 51,201.36
  4. Step 4: Simplify right side
    126,097.20x = 9,685,296,362.85
  5. Step 5: Solve for x
    x = 9,685,296,362.85/126,097.20
  6. Step 6: Final answer
    x = 76,808.18

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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.