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Finding the Fourth Proportional to 161,095.74, 222,305.92 and 89,480.32

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Solution

The fourth proportional to 161,095.74, 222,305.92 and 89,480.32 is: 123,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,095.74 : 222,305.92 = 89,480.32 : x
  2. Step 2: Convert to fraction form
    161,095.74/222,305.92 = 89,480.32/x
  3. Step 3: Cross multiply
    161,095.74x = 222,305.92 × 89,480.32
  4. Step 4: Simplify right side
    161,095.74x = 19,892,004,859.49
  5. Step 5: Solve for x
    x = 19,892,004,859.49/161,095.74
  6. Step 6: Final answer
    x = 123,479.40

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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.