Home / 125,517.76-173,215.72-68,930.34

Finding the Fourth Proportional to 125,517.76, 173,215.72 and 68,930.34

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Solution

The fourth proportional to 125,517.76, 173,215.72 and 68,930.34 is: 95,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,517.76 : 173,215.72 = 68,930.34 : x
  2. Step 2: Convert to fraction form
    125,517.76/173,215.72 = 68,930.34/x
  3. Step 3: Cross multiply
    125,517.76x = 173,215.72 × 68,930.34
  4. Step 4: Simplify right side
    125,517.76x = 11,939,818,472.94
  5. Step 5: Solve for x
    x = 11,939,818,472.94/125,517.76
  6. Step 6: Final answer
    x = 95,124.53

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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.