Home / 193,820.40-267,578.04-117,352.56

Finding the Fourth Proportional to 193,820.40, 267,578.04 and 117,352.56

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Solution

The fourth proportional to 193,820.40, 267,578.04 and 117,352.56 is: 162,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,820.40 : 267,578.04 = 117,352.56 : x
  2. Step 2: Convert to fraction form
    193,820.40/267,578.04 = 117,352.56/x
  3. Step 3: Cross multiply
    193,820.40x = 267,578.04 × 117,352.56
  4. Step 4: Simplify right side
    193,820.40x = 31,400,967,993.78
  5. Step 5: Solve for x
    x = 31,400,967,993.78/193,820.40
  6. Step 6: Final answer
    x = 162,010.64

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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.