Home / 161,204.28-222,451.72-89,580.03

Finding the Fourth Proportional to 161,204.28, 222,451.72 and 89,580.03

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Solution

The fourth proportional to 161,204.28, 222,451.72 and 89,580.03 is: 123,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,204.28 : 222,451.72 = 89,580.03 : x
  2. Step 2: Convert to fraction form
    161,204.28/222,451.72 = 89,580.03/x
  3. Step 3: Cross multiply
    161,204.28x = 222,451.72 × 89,580.03
  4. Step 4: Simplify right side
    161,204.28x = 19,927,231,751.15
  5. Step 5: Solve for x
    x = 19,927,231,751.15/161,204.28
  6. Step 6: Final answer
    x = 123,614.78

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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.