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Finding the Fourth Proportional to 161,170.56, 222,389.28 and 89,549.28

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Solution

The fourth proportional to 161,170.56, 222,389.28 and 89,549.28 is: 123,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,170.56 : 222,389.28 = 89,549.28 : x
  2. Step 2: Convert to fraction form
    161,170.56/222,389.28 = 89,549.28/x
  3. Step 3: Cross multiply
    161,170.56x = 222,389.28 × 89,549.28
  4. Step 4: Simplify right side
    161,170.56x = 19,914,799,903.72
  5. Step 5: Solve for x
    x = 19,914,799,903.72/161,170.56
  6. Step 6: Final answer
    x = 123,563.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.