Home / 124,757.64-172,169.79-68,172.66

Finding the Fourth Proportional to 124,757.64, 172,169.79 and 68,172.66

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Solution

The fourth proportional to 124,757.64, 172,169.79 and 68,172.66 is: 94,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,757.64 : 172,169.79 = 68,172.66 : x
  2. Step 2: Convert to fraction form
    124,757.64/172,169.79 = 68,172.66/x
  3. Step 3: Cross multiply
    124,757.64x = 172,169.79 × 68,172.66
  4. Step 4: Simplify right side
    124,757.64x = 11,737,272,555.94
  5. Step 5: Solve for x
    x = 11,737,272,555.94/124,757.64
  6. Step 6: Final answer
    x = 94,080.59

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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.