Home / 220,755.28-304,748.04-135,945.04

Finding the Fourth Proportional to 220,755.28, 304,748.04 and 135,945.04

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Solution

The fourth proportional to 220,755.28, 304,748.04 and 135,945.04 is: 187,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,755.28 : 304,748.04 = 135,945.04 : x
  2. Step 2: Convert to fraction form
    220,755.28/304,748.04 = 135,945.04/x
  3. Step 3: Cross multiply
    220,755.28x = 304,748.04 × 135,945.04
  4. Step 4: Simplify right side
    220,755.28x = 41,428,984,487.72
  5. Step 5: Solve for x
    x = 41,428,984,487.72/220,755.28
  6. Step 6: Final answer
    x = 187,669.28

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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.