Home / 226,694.22-312,838.05-124,717.50

Finding the Fourth Proportional to 226,694.22, 312,838.05 and 124,717.50

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Solution

The fourth proportional to 226,694.22, 312,838.05 and 124,717.50 is: 172,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,694.22 : 312,838.05 = 124,717.50 : x
  2. Step 2: Convert to fraction form
    226,694.22/312,838.05 = 124,717.50/x
  3. Step 3: Cross multiply
    226,694.22x = 312,838.05 × 124,717.50
  4. Step 4: Simplify right side
    226,694.22x = 39,016,379,500.88
  5. Step 5: Solve for x
    x = 39,016,379,500.88/226,694.22
  6. Step 6: Final answer
    x = 172,110.16

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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.