Home / 124,761.25-172,171.74-68,173.84

Finding the Fourth Proportional to 124,761.25, 172,171.74 and 68,173.84

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Solution

The fourth proportional to 124,761.25, 172,171.74 and 68,173.84 is: 94,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,761.25 : 172,171.74 = 68,173.84 : x
  2. Step 2: Convert to fraction form
    124,761.25/172,171.74 = 68,173.84/x
  3. Step 3: Cross multiply
    124,761.25x = 172,171.74 × 68,173.84
  4. Step 4: Simplify right side
    124,761.25x = 11,737,608,655.28
  5. Step 5: Solve for x
    x = 11,737,608,655.28/124,761.25
  6. Step 6: Final answer
    x = 94,080.56

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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.