Home / 124,695.75-172,080.15-68,107.26

Finding the Fourth Proportional to 124,695.75, 172,080.15 and 68,107.26

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Solution

The fourth proportional to 124,695.75, 172,080.15 and 68,107.26 is: 93,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,695.75 : 172,080.15 = 68,107.26 : x
  2. Step 2: Convert to fraction form
    124,695.75/172,080.15 = 68,107.26/x
  3. Step 3: Cross multiply
    124,695.75x = 172,080.15 × 68,107.26
  4. Step 4: Simplify right side
    124,695.75x = 11,719,907,516.89
  5. Step 5: Solve for x
    x = 11,719,907,516.89/124,695.75
  6. Step 6: Final answer
    x = 93,988.03

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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.