Home / 123,871.04-170,936.88-67,280.96

Finding the Fourth Proportional to 123,871.04, 170,936.88 and 67,280.96

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Solution

The fourth proportional to 123,871.04, 170,936.88 and 67,280.96 is: 92,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,871.04 : 170,936.88 = 67,280.96 : x
  2. Step 2: Convert to fraction form
    123,871.04/170,936.88 = 67,280.96/x
  3. Step 3: Cross multiply
    123,871.04x = 170,936.88 × 67,280.96
  4. Step 4: Simplify right side
    123,871.04x = 11,500,797,385.80
  5. Step 5: Solve for x
    x = 11,500,797,385.80/123,871.04
  6. Step 6: Final answer
    x = 92,844.92

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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.