Home / 126,308.20-174,302.82-69,721.96

Finding the Fourth Proportional to 126,308.20, 174,302.82 and 69,721.96

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Solution

The fourth proportional to 126,308.20, 174,302.82 and 69,721.96 is: 96,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,308.20 : 174,302.82 = 69,721.96 : x
  2. Step 2: Convert to fraction form
    126,308.20/174,302.82 = 69,721.96/x
  3. Step 3: Cross multiply
    126,308.20x = 174,302.82 × 69,721.96
  4. Step 4: Simplify right side
    126,308.20x = 12,152,734,243.93
  5. Step 5: Solve for x
    x = 12,152,734,243.93/126,308.20
  6. Step 6: Final answer
    x = 96,214.93

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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.