Home / 123,344.16-170,215.44-66,755.52

Finding the Fourth Proportional to 123,344.16, 170,215.44 and 66,755.52

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Solution

The fourth proportional to 123,344.16, 170,215.44 and 66,755.52 is: 92,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.16 : 170,215.44 = 66,755.52 : x
  2. Step 2: Convert to fraction form
    123,344.16/170,215.44 = 66,755.52/x
  3. Step 3: Cross multiply
    123,344.16x = 170,215.44 × 66,755.52
  4. Step 4: Simplify right side
    123,344.16x = 11,362,820,209.23
  5. Step 5: Solve for x
    x = 11,362,820,209.23/123,344.16
  6. Step 6: Final answer
    x = 92,122.89

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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.