Home / 126,199.82-174,174.60-80,928.92

Finding the Fourth Proportional to 126,199.82, 174,174.60 and 80,928.92

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Solution

The fourth proportional to 126,199.82, 174,174.60 and 80,928.92 is: 111,693.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,199.82 : 174,174.60 = 80,928.92 : x
  2. Step 2: Convert to fraction form
    126,199.82/174,174.60 = 80,928.92/x
  3. Step 3: Cross multiply
    126,199.82x = 174,174.60 × 80,928.92
  4. Step 4: Simplify right side
    126,199.82x = 14,095,761,398.56
  5. Step 5: Solve for x
    x = 14,095,761,398.56/126,199.82
  6. Step 6: Final answer
    x = 111,693.99

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1.5x scale

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.