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Finding the Fourth Proportional to 161,147.70, 222,387.79 and 88,550

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Solution

The fourth proportional to 161,147.70, 222,387.79 and 88,550 is: 122,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,147.70 : 222,387.79 = 88,550 : x
  2. Step 2: Convert to fraction form
    161,147.70/222,387.79 = 88,550/x
  3. Step 3: Cross multiply
    161,147.70x = 222,387.79 × 88,550
  4. Step 4: Simplify right side
    161,147.70x = 19,692,438,804.50
  5. Step 5: Solve for x
    x = 19,692,438,804.50/161,147.70
  6. Step 6: Final answer
    x = 122,201.18

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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.