Home / 126,319.80-174,316.14-80,933.88

Finding the Fourth Proportional to 126,319.80, 174,316.14 and 80,933.88

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Solution

The fourth proportional to 126,319.80, 174,316.14 and 80,933.88 is: 111,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,319.80 : 174,316.14 = 80,933.88 : x
  2. Step 2: Convert to fraction form
    126,319.80/174,316.14 = 80,933.88/x
  3. Step 3: Cross multiply
    126,319.80x = 174,316.14 × 80,933.88
  4. Step 4: Simplify right side
    126,319.80x = 14,108,081,556.82
  5. Step 5: Solve for x
    x = 14,108,081,556.82/126,319.80
  6. Step 6: Final answer
    x = 111,685.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.