Home / 161,479.93-222,687.69-123,171.40

Finding the Fourth Proportional to 161,479.93, 222,687.69 and 123,171.40

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Solution

The fourth proportional to 161,479.93, 222,687.69 and 123,171.40 is: 169,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,479.93 : 222,687.69 = 123,171.40 : x
  2. Step 2: Convert to fraction form
    161,479.93/222,687.69 = 123,171.40/x
  3. Step 3: Cross multiply
    161,479.93x = 222,687.69 × 123,171.40
  4. Step 4: Simplify right side
    161,479.93x = 27,428,754,540.07
  5. Step 5: Solve for x
    x = 27,428,754,540.07/161,479.93
  6. Step 6: Final answer
    x = 169,858.60

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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.