Home / 129,834.25-194,751.37-31,338.25

Finding the Fourth Proportional to 129,834.25, 194,751.37 and 31,338.25

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Solution

The fourth proportional to 129,834.25, 194,751.37 and 31,338.25 is: 47,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,834.25 : 194,751.37 = 31,338.25 : x
  2. Step 2: Convert to fraction form
    129,834.25/194,751.37 = 31,338.25/x
  3. Step 3: Cross multiply
    129,834.25x = 194,751.37 × 31,338.25
  4. Step 4: Simplify right side
    129,834.25x = 6,103,166,147.15
  5. Step 5: Solve for x
    x = 6,103,166,147.15/129,834.25
  6. Step 6: Final answer
    x = 47,007.37

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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.