Home / 125,690.97-173,456.63-69,102.45

Finding the Fourth Proportional to 125,690.97, 173,456.63 and 69,102.45

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Solution

The fourth proportional to 125,690.97, 173,456.63 and 69,102.45 is: 95,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,690.97 : 173,456.63 = 69,102.45 : x
  2. Step 2: Convert to fraction form
    125,690.97/173,456.63 = 69,102.45/x
  3. Step 3: Cross multiply
    125,690.97x = 173,456.63 × 69,102.45
  4. Step 4: Simplify right side
    125,690.97x = 11,986,278,101.74
  5. Step 5: Solve for x
    x = 11,986,278,101.74/125,690.97
  6. Step 6: Final answer
    x = 95,363.08

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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.