Home / 161,167.73-222,342.57-100,697.18

Finding the Fourth Proportional to 161,167.73, 222,342.57 and 100,697.18

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Solution

The fourth proportional to 161,167.73, 222,342.57 and 100,697.18 is: 138,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,167.73 : 222,342.57 = 100,697.18 : x
  2. Step 2: Convert to fraction form
    161,167.73/222,342.57 = 100,697.18/x
  3. Step 3: Cross multiply
    161,167.73x = 222,342.57 × 100,697.18
  4. Step 4: Simplify right side
    161,167.73x = 22,389,268,681.24
  5. Step 5: Solve for x
    x = 22,389,268,681.24/161,167.73
  6. Step 6: Final answer
    x = 138,919.06

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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.