Home / 126,294.48-174,286.20-69,705.72

Finding the Fourth Proportional to 126,294.48, 174,286.20 and 69,705.72

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Solution

The fourth proportional to 126,294.48, 174,286.20 and 69,705.72 is: 96,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,294.48 : 174,286.20 = 69,705.72 : x
  2. Step 2: Convert to fraction form
    126,294.48/174,286.20 = 69,705.72/x
  3. Step 3: Cross multiply
    126,294.48x = 174,286.20 × 69,705.72
  4. Step 4: Simplify right side
    126,294.48x = 12,148,745,057.06
  5. Step 5: Solve for x
    x = 12,148,745,057.06/126,294.48
  6. Step 6: Final answer
    x = 96,193.79

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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.