Home / 123,469.03-170,387.92-66,880.41

Finding the Fourth Proportional to 123,469.03, 170,387.92 and 66,880.41

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Solution

The fourth proportional to 123,469.03, 170,387.92 and 66,880.41 is: 92,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,469.03 : 170,387.92 = 66,880.41 : x
  2. Step 2: Convert to fraction form
    123,469.03/170,387.92 = 66,880.41/x
  3. Step 3: Cross multiply
    123,469.03x = 170,387.92 × 66,880.41
  4. Step 4: Simplify right side
    123,469.03x = 11,395,613,948.65
  5. Step 5: Solve for x
    x = 11,395,613,948.65/123,469.03
  6. Step 6: Final answer
    x = 92,295.32

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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.