Home / 122,958.49-169,691.40-68,514.27

Finding the Fourth Proportional to 122,958.49, 169,691.40 and 68,514.27

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Solution

The fourth proportional to 122,958.49, 169,691.40 and 68,514.27 is: 94,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,958.49 : 169,691.40 = 68,514.27 : x
  2. Step 2: Convert to fraction form
    122,958.49/169,691.40 = 68,514.27/x
  3. Step 3: Cross multiply
    122,958.49x = 169,691.40 × 68,514.27
  4. Step 4: Simplify right side
    122,958.49x = 11,626,282,396.28
  5. Step 5: Solve for x
    x = 11,626,282,396.28/122,958.49
  6. Step 6: Final answer
    x = 94,554.53

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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.