Home / 161,356.06-222,654.31-89,724.52

Finding the Fourth Proportional to 161,356.06, 222,654.31 and 89,724.52

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Solution

The fourth proportional to 161,356.06, 222,654.31 and 89,724.52 is: 123,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,356.06 : 222,654.31 = 89,724.52 : x
  2. Step 2: Convert to fraction form
    161,356.06/222,654.31 = 89,724.52/x
  3. Step 3: Cross multiply
    161,356.06x = 222,654.31 × 89,724.52
  4. Step 4: Simplify right side
    161,356.06x = 19,977,551,090.68
  5. Step 5: Solve for x
    x = 19,977,551,090.68/161,356.06
  6. Step 6: Final answer
    x = 123,810.36

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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.