Home / 134,137.27-200,942.93-77,859.38

Finding the Fourth Proportional to 134,137.27, 200,942.93 and 77,859.38

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Solution

The fourth proportional to 134,137.27, 200,942.93 and 77,859.38 is: 116,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,137.27 : 200,942.93 = 77,859.38 : x
  2. Step 2: Convert to fraction form
    134,137.27/200,942.93 = 77,859.38/x
  3. Step 3: Cross multiply
    134,137.27x = 200,942.93 × 77,859.38
  4. Step 4: Simplify right side
    134,137.27x = 15,645,291,073.93
  5. Step 5: Solve for x
    x = 15,645,291,073.93/134,137.27
  6. Step 6: Final answer
    x = 116,636.42

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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.