Home / 124,976.30-172,466.82-67,615.79

Finding the Fourth Proportional to 124,976.30, 172,466.82 and 67,615.79

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Solution

The fourth proportional to 124,976.30, 172,466.82 and 67,615.79 is: 93,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,976.30 : 172,466.82 = 67,615.79 : x
  2. Step 2: Convert to fraction form
    124,976.30/172,466.82 = 67,615.79/x
  3. Step 3: Cross multiply
    124,976.30x = 172,466.82 × 67,615.79
  4. Step 4: Simplify right side
    124,976.30x = 11,661,479,420.75
  5. Step 5: Solve for x
    x = 11,661,479,420.75/124,976.30
  6. Step 6: Final answer
    x = 93,309.53

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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.