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Finding the Fourth Proportional to 161,246.82, 222,523.28 and 88,652.78

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Solution

The fourth proportional to 161,246.82, 222,523.28 and 88,652.78 is: 122,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,246.82 : 222,523.28 = 88,652.78 : x
  2. Step 2: Convert to fraction form
    161,246.82/222,523.28 = 88,652.78/x
  3. Step 3: Cross multiply
    161,246.82x = 222,523.28 × 88,652.78
  4. Step 4: Simplify right side
    161,246.82x = 19,727,308,164.66
  5. Step 5: Solve for x
    x = 19,727,308,164.66/161,246.82
  6. Step 6: Final answer
    x = 122,342.31

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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.