Home / 123,244.28-169,998.82-80,805.56

Finding the Fourth Proportional to 123,244.28, 169,998.82 and 80,805.56

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Solution

The fourth proportional to 123,244.28, 169,998.82 and 80,805.56 is: 111,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,244.28 : 169,998.82 = 80,805.56 : x
  2. Step 2: Convert to fraction form
    123,244.28/169,998.82 = 80,805.56/x
  3. Step 3: Cross multiply
    123,244.28x = 169,998.82 × 80,805.56
  4. Step 4: Simplify right side
    123,244.28x = 13,736,849,849.44
  5. Step 5: Solve for x
    x = 13,736,849,849.44/123,244.28
  6. Step 6: Final answer
    x = 111,460.34

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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.