Home / 161,147.40-222,387.30-89,530.44

Finding the Fourth Proportional to 161,147.40, 222,387.30 and 89,530.44

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Solution

The fourth proportional to 161,147.40, 222,387.30 and 89,530.44 is: 123,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,147.40 : 222,387.30 = 89,530.44 : x
  2. Step 2: Convert to fraction form
    161,147.40/222,387.30 = 89,530.44/x
  3. Step 3: Cross multiply
    161,147.40x = 222,387.30 × 89,530.44
  4. Step 4: Simplify right side
    161,147.40x = 19,910,432,819.41
  5. Step 5: Solve for x
    x = 19,910,432,819.41/161,147.40
  6. Step 6: Final answer
    x = 123,554.17

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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.