Home / 123,869.44-170,939.88-67,282

Finding the Fourth Proportional to 123,869.44, 170,939.88 and 67,282

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Solution

The fourth proportional to 123,869.44, 170,939.88 and 67,282 is: 92,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,869.44 : 170,939.88 = 67,282 : x
  2. Step 2: Convert to fraction form
    123,869.44/170,939.88 = 67,282/x
  3. Step 3: Cross multiply
    123,869.44x = 170,939.88 × 67,282
  4. Step 4: Simplify right side
    123,869.44x = 11,501,177,006.16
  5. Step 5: Solve for x
    x = 11,501,177,006.16/123,869.44
  6. Step 6: Final answer
    x = 92,849.19

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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.