Home / 123,304.44-170,160.12-66,715.80

Finding the Fourth Proportional to 123,304.44, 170,160.12 and 66,715.80

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Solution

The fourth proportional to 123,304.44, 170,160.12 and 66,715.80 is: 92,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,304.44 : 170,160.12 = 66,715.80 : x
  2. Step 2: Convert to fraction form
    123,304.44/170,160.12 = 66,715.80/x
  3. Step 3: Cross multiply
    123,304.44x = 170,160.12 × 66,715.80
  4. Step 4: Simplify right side
    123,304.44x = 11,352,368,533.90
  5. Step 5: Solve for x
    x = 11,352,368,533.90/123,304.44
  6. Step 6: Final answer
    x = 92,067.80

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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.