Home / 123,727.59-170,744.54-67,138.97

Finding the Fourth Proportional to 123,727.59, 170,744.54 and 67,138.97

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Solution

The fourth proportional to 123,727.59, 170,744.54 and 67,138.97 is: 92,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,727.59 : 170,744.54 = 67,138.97 : x
  2. Step 2: Convert to fraction form
    123,727.59/170,744.54 = 67,138.97/x
  3. Step 3: Cross multiply
    123,727.59x = 170,744.54 × 67,138.97
  4. Step 4: Simplify right side
    123,727.59x = 11,463,611,999.60
  5. Step 5: Solve for x
    x = 11,463,611,999.60/123,727.59
  6. Step 6: Final answer
    x = 92,652.02

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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.