Home / 126,080.48-188,197.86-111,134.16

Finding the Fourth Proportional to 126,080.48, 188,197.86 and 111,134.16

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Solution

The fourth proportional to 126,080.48, 188,197.86 and 111,134.16 is: 165,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,080.48 : 188,197.86 = 111,134.16 : x
  2. Step 2: Convert to fraction form
    126,080.48/188,197.86 = 111,134.16/x
  3. Step 3: Cross multiply
    126,080.48x = 188,197.86 × 111,134.16
  4. Step 4: Simplify right side
    126,080.48x = 20,915,211,501.65
  5. Step 5: Solve for x
    x = 20,915,211,501.65/126,080.48
  6. Step 6: Final answer
    x = 165,887.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.