Home / 126,331.44-174,322.56-75,346.92

Finding the Fourth Proportional to 126,331.44, 174,322.56 and 75,346.92

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Solution

The fourth proportional to 126,331.44, 174,322.56 and 75,346.92 is: 103,969.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,331.44 : 174,322.56 = 75,346.92 : x
  2. Step 2: Convert to fraction form
    126,331.44/174,322.56 = 75,346.92/x
  3. Step 3: Cross multiply
    126,331.44x = 174,322.56 × 75,346.92
  4. Step 4: Simplify right side
    126,331.44x = 13,134,667,982.52
  5. Step 5: Solve for x
    x = 13,134,667,982.52/126,331.44
  6. Step 6: Final answer
    x = 103,969.91

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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.