Home / 124,694.88-172,078.93-68,106.39

Finding the Fourth Proportional to 124,694.88, 172,078.93 and 68,106.39

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Solution

The fourth proportional to 124,694.88, 172,078.93 and 68,106.39 is: 93,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,694.88 : 172,078.93 = 68,106.39 : x
  2. Step 2: Convert to fraction form
    124,694.88/172,078.93 = 68,106.39/x
  3. Step 3: Cross multiply
    124,694.88x = 172,078.93 × 68,106.39
  4. Step 4: Simplify right side
    124,694.88x = 11,719,674,717.36
  5. Step 5: Solve for x
    x = 11,719,674,717.36/124,694.88
  6. Step 6: Final answer
    x = 93,986.82

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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.