Home / 123,164.20-169,976.22-68,733.40

Finding the Fourth Proportional to 123,164.20, 169,976.22 and 68,733.40

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Solution

The fourth proportional to 123,164.20, 169,976.22 and 68,733.40 is: 94,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,164.20 : 169,976.22 = 68,733.40 : x
  2. Step 2: Convert to fraction form
    123,164.20/169,976.22 = 68,733.40/x
  3. Step 3: Cross multiply
    123,164.20x = 169,976.22 × 68,733.40
  4. Step 4: Simplify right side
    123,164.20x = 11,683,043,519.75
  5. Step 5: Solve for x
    x = 11,683,043,519.75/123,164.20
  6. Step 6: Final answer
    x = 94,857.46

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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.