Home / 127,141.28-175,457.19-69,785.97

Finding the Fourth Proportional to 127,141.28, 175,457.19 and 69,785.97

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Solution

The fourth proportional to 127,141.28, 175,457.19 and 69,785.97 is: 96,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,141.28 : 175,457.19 = 69,785.97 : x
  2. Step 2: Convert to fraction form
    127,141.28/175,457.19 = 69,785.97/x
  3. Step 3: Cross multiply
    127,141.28x = 175,457.19 × 69,785.97
  4. Step 4: Simplify right side
    127,141.28x = 12,244,450,197.62
  5. Step 5: Solve for x
    x = 12,244,450,197.62/127,141.28
  6. Step 6: Final answer
    x = 96,305.86

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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.