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Finding the Fourth Proportional to 161,070.96, 222,280.96 and 89,457.72

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Solution

The fourth proportional to 161,070.96, 222,280.96 and 89,457.72 is: 123,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,070.96 : 222,280.96 = 89,457.72 : x
  2. Step 2: Convert to fraction form
    161,070.96/222,280.96 = 89,457.72/x
  3. Step 3: Cross multiply
    161,070.96x = 222,280.96 × 89,457.72
  4. Step 4: Simplify right side
    161,070.96x = 19,884,747,881.01
  5. Step 5: Solve for x
    x = 19,884,747,881.01/161,070.96
  6. Step 6: Final answer
    x = 123,453.34

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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.