Home / 68,037.08-102,060.77-18,116.97

Finding the Fourth Proportional to 68,037.08, 102,060.77 and 18,116.97

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Solution

The fourth proportional to 68,037.08, 102,060.77 and 18,116.97 is: 27,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,037.08 : 102,060.77 = 18,116.97 : x
  2. Step 2: Convert to fraction form
    68,037.08/102,060.77 = 18,116.97/x
  3. Step 3: Cross multiply
    68,037.08x = 102,060.77 × 18,116.97
  4. Step 4: Simplify right side
    68,037.08x = 1,849,031,817.68
  5. Step 5: Solve for x
    x = 1,849,031,817.68/68,037.08
  6. Step 6: Final answer
    x = 27,176.83

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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.