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Finding the Fourth Proportional to 161,108.44, 222,329.84 and 89,488.60

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Solution

The fourth proportional to 161,108.44, 222,329.84 and 89,488.60 is: 123,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,108.44 : 222,329.84 = 89,488.60 : x
  2. Step 2: Convert to fraction form
    161,108.44/222,329.84 = 89,488.60/x
  3. Step 3: Cross multiply
    161,108.44x = 222,329.84 × 89,488.60
  4. Step 4: Simplify right side
    161,108.44x = 19,895,986,119.82
  5. Step 5: Solve for x
    x = 19,895,986,119.82/161,108.44
  6. Step 6: Final answer
    x = 123,494.38

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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.