Home / 129,141.07-193,711.32-34,371.27

Finding the Fourth Proportional to 129,141.07, 193,711.32 and 34,371.27

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Solution

The fourth proportional to 129,141.07, 193,711.32 and 34,371.27 is: 51,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,141.07 : 193,711.32 = 34,371.27 : x
  2. Step 2: Convert to fraction form
    129,141.07/193,711.32 = 34,371.27/x
  3. Step 3: Cross multiply
    129,141.07x = 193,711.32 × 34,371.27
  4. Step 4: Simplify right side
    129,141.07x = 6,658,104,081.78
  5. Step 5: Solve for x
    x = 6,658,104,081.78/129,141.07
  6. Step 6: Final answer
    x = 51,556.83

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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.