Home / 161,487.12-222,849.12-89,867.04

Finding the Fourth Proportional to 161,487.12, 222,849.12 and 89,867.04

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Solution

The fourth proportional to 161,487.12, 222,849.12 and 89,867.04 is: 124,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,487.12 : 222,849.12 = 89,867.04 : x
  2. Step 2: Convert to fraction form
    161,487.12/222,849.12 = 89,867.04/x
  3. Step 3: Cross multiply
    161,487.12x = 222,849.12 × 89,867.04
  4. Step 4: Simplify right side
    161,487.12x = 20,026,790,781.00
  5. Step 5: Solve for x
    x = 20,026,790,781.00/161,487.12
  6. Step 6: Final answer
    x = 124,014.79

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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.