Home / 122,653.08-169,262.82-68,934.96

Finding the Fourth Proportional to 122,653.08, 169,262.82 and 68,934.96

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Solution

The fourth proportional to 122,653.08, 169,262.82 and 68,934.96 is: 95,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,653.08 : 169,262.82 = 68,934.96 : x
  2. Step 2: Convert to fraction form
    122,653.08/169,262.82 = 68,934.96/x
  3. Step 3: Cross multiply
    122,653.08x = 169,262.82 × 68,934.96
  4. Step 4: Simplify right side
    122,653.08x = 11,668,125,726.19
  5. Step 5: Solve for x
    x = 11,668,125,726.19/122,653.08
  6. Step 6: Final answer
    x = 95,131.13

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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.