Home / 126,496.08-189,350.46-79,650.54

Finding the Fourth Proportional to 126,496.08, 189,350.46 and 79,650.54

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Solution

The fourth proportional to 126,496.08, 189,350.46 and 79,650.54 is: 119,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,496.08 : 189,350.46 = 79,650.54 : x
  2. Step 2: Convert to fraction form
    126,496.08/189,350.46 = 79,650.54/x
  3. Step 3: Cross multiply
    126,496.08x = 189,350.46 × 79,650.54
  4. Step 4: Simplify right side
    126,496.08x = 15,081,866,388.25
  5. Step 5: Solve for x
    x = 15,081,866,388.25/126,496.08
  6. Step 6: Final answer
    x = 119,227.93

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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.