Home / 161,422.18-222,759.27-89,800.66

Finding the Fourth Proportional to 161,422.18, 222,759.27 and 89,800.66

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Solution

The fourth proportional to 161,422.18, 222,759.27 and 89,800.66 is: 123,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,422.18 : 222,759.27 = 89,800.66 : x
  2. Step 2: Convert to fraction form
    161,422.18/222,759.27 = 89,800.66/x
  3. Step 3: Cross multiply
    161,422.18x = 222,759.27 × 89,800.66
  4. Step 4: Simplify right side
    161,422.18x = 20,003,929,467.12
  5. Step 5: Solve for x
    x = 20,003,929,467.12/161,422.18
  6. Step 6: Final answer
    x = 123,923.05

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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.