Home / 226,805.10-340,146.87-68,991.18

Finding the Fourth Proportional to 226,805.10, 340,146.87 and 68,991.18

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Solution

The fourth proportional to 226,805.10, 340,146.87 and 68,991.18 is: 103,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,805.10 : 340,146.87 = 68,991.18 : x
  2. Step 2: Convert to fraction form
    226,805.10/340,146.87 = 68,991.18/x
  3. Step 3: Cross multiply
    226,805.10x = 340,146.87 × 68,991.18
  4. Step 4: Simplify right side
    226,805.10x = 23,467,133,934.61
  5. Step 5: Solve for x
    x = 23,467,133,934.61/226,805.10
  6. Step 6: Final answer
    x = 103,468.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.