Home / 161,268.56-222,550.86-89,647.95

Finding the Fourth Proportional to 161,268.56, 222,550.86 and 89,647.95

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Solution

The fourth proportional to 161,268.56, 222,550.86 and 89,647.95 is: 123,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,268.56 : 222,550.86 = 89,647.95 : x
  2. Step 2: Convert to fraction form
    161,268.56/222,550.86 = 89,647.95/x
  3. Step 3: Cross multiply
    161,268.56x = 222,550.86 × 89,647.95
  4. Step 4: Simplify right side
    161,268.56x = 19,951,228,369.74
  5. Step 5: Solve for x
    x = 19,951,228,369.74/161,268.56
  6. Step 6: Final answer
    x = 123,714.31

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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.