Home / 123,380.97-170,265.79-66,792.34

Finding the Fourth Proportional to 123,380.97, 170,265.79 and 66,792.34

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Solution

The fourth proportional to 123,380.97, 170,265.79 and 66,792.34 is: 92,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,380.97 : 170,265.79 = 66,792.34 : x
  2. Step 2: Convert to fraction form
    123,380.97/170,265.79 = 66,792.34/x
  3. Step 3: Cross multiply
    123,380.97x = 170,265.79 × 66,792.34
  4. Step 4: Simplify right side
    123,380.97x = 11,372,450,832.37
  5. Step 5: Solve for x
    x = 11,372,450,832.37/123,380.97
  6. Step 6: Final answer
    x = 92,173.46

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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.