Home / 125,417.32-173,074.19-68,828.69

Finding the Fourth Proportional to 125,417.32, 173,074.19 and 68,828.69

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Solution

The fourth proportional to 125,417.32, 173,074.19 and 68,828.69 is: 94,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,417.32 : 173,074.19 = 68,828.69 : x
  2. Step 2: Convert to fraction form
    125,417.32/173,074.19 = 68,828.69/x
  3. Step 3: Cross multiply
    125,417.32x = 173,074.19 × 68,828.69
  4. Step 4: Simplify right side
    125,417.32x = 11,912,469,859.05
  5. Step 5: Solve for x
    x = 11,912,469,859.05/125,417.32
  6. Step 6: Final answer
    x = 94,982.66

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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.