Home / 122,528.11-169,092.60-68,814.29

Finding the Fourth Proportional to 122,528.11, 169,092.60 and 68,814.29

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Solution

The fourth proportional to 122,528.11, 169,092.60 and 68,814.29 is: 94,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,528.11 : 169,092.60 = 68,814.29 : x
  2. Step 2: Convert to fraction form
    122,528.11/169,092.60 = 68,814.29/x
  3. Step 3: Cross multiply
    122,528.11x = 169,092.60 × 68,814.29
  4. Step 4: Simplify right side
    122,528.11x = 11,635,987,213.25
  5. Step 5: Solve for x
    x = 11,635,987,213.25/122,528.11
  6. Step 6: Final answer
    x = 94,965.86

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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.