Home / 168,000.30-251,806.05-68,111.10

Finding the Fourth Proportional to 168,000.30, 251,806.05 and 68,111.10

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Solution

The fourth proportional to 168,000.30, 251,806.05 and 68,111.10 is: 102,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.30 : 251,806.05 = 68,111.10 : x
  2. Step 2: Convert to fraction form
    168,000.30/251,806.05 = 68,111.10/x
  3. Step 3: Cross multiply
    168,000.30x = 251,806.05 × 68,111.10
  4. Step 4: Simplify right side
    168,000.30x = 17,150,787,052.16
  5. Step 5: Solve for x
    x = 17,150,787,052.16/168,000.30
  6. Step 6: Final answer
    x = 102,087.84

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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.