Home / 193,765.70-267,441.65-122,243.51

Finding the Fourth Proportional to 193,765.70, 267,441.65 and 122,243.51

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Solution

The fourth proportional to 193,765.70, 267,441.65 and 122,243.51 is: 168,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,765.70 : 267,441.65 = 122,243.51 : x
  2. Step 2: Convert to fraction form
    193,765.70/267,441.65 = 122,243.51/x
  3. Step 3: Cross multiply
    193,765.70x = 267,441.65 × 122,243.51
  4. Step 4: Simplify right side
    193,765.70x = 32,693,006,531.99
  5. Step 5: Solve for x
    x = 32,693,006,531.99/193,765.70
  6. Step 6: Final answer
    x = 168,724.42

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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.