Home / 126,359.28-174,376.92-69,774.96

Finding the Fourth Proportional to 126,359.28, 174,376.92 and 69,774.96

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Solution

The fourth proportional to 126,359.28, 174,376.92 and 69,774.96 is: 96,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,359.28 : 174,376.92 = 69,774.96 : x
  2. Step 2: Convert to fraction form
    126,359.28/174,376.92 = 69,774.96/x
  3. Step 3: Cross multiply
    126,359.28x = 174,376.92 × 69,774.96
  4. Step 4: Simplify right side
    126,359.28x = 12,167,142,617.92
  5. Step 5: Solve for x
    x = 12,167,142,617.92/126,359.28
  6. Step 6: Final answer
    x = 96,290.06

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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.