Home / 123,400.97-170,293.49-66,812.34

Finding the Fourth Proportional to 123,400.97, 170,293.49 and 66,812.34

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Solution

The fourth proportional to 123,400.97, 170,293.49 and 66,812.34 is: 92,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,400.97 : 170,293.49 = 66,812.34 : x
  2. Step 2: Convert to fraction form
    123,400.97/170,293.49 = 66,812.34/x
  3. Step 3: Cross multiply
    123,400.97x = 170,293.49 × 66,812.34
  4. Step 4: Simplify right side
    123,400.97x = 11,377,707,108.75
  5. Step 5: Solve for x
    x = 11,377,707,108.75/123,400.97
  6. Step 6: Final answer
    x = 92,201.12

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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.