Home / 123,469.07-170,387.15-66,880.44

Finding the Fourth Proportional to 123,469.07, 170,387.15 and 66,880.44

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Solution

The fourth proportional to 123,469.07, 170,387.15 and 66,880.44 is: 92,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,469.07 : 170,387.15 = 66,880.44 : x
  2. Step 2: Convert to fraction form
    123,469.07/170,387.15 = 66,880.44/x
  3. Step 3: Cross multiply
    123,469.07x = 170,387.15 × 66,880.44
  4. Step 4: Simplify right side
    123,469.07x = 11,395,567,227.94
  5. Step 5: Solve for x
    x = 11,395,567,227.94/123,469.07
  6. Step 6: Final answer
    x = 92,294.92

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1.5x scale

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.