Home / 134,067.72-201,083.22-74,206.92

Finding the Fourth Proportional to 134,067.72, 201,083.22 and 74,206.92

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Solution

The fourth proportional to 134,067.72, 201,083.22 and 74,206.92 is: 111,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,067.72 : 201,083.22 = 74,206.92 : x
  2. Step 2: Convert to fraction form
    134,067.72/201,083.22 = 74,206.92/x
  3. Step 3: Cross multiply
    134,067.72x = 201,083.22 × 74,206.92
  4. Step 4: Simplify right side
    134,067.72x = 14,921,766,419.88
  5. Step 5: Solve for x
    x = 14,921,766,419.88/134,067.72
  6. Step 6: Final answer
    x = 111,300.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.