Home / 129,823.82-194,735.73-103,694.65

Finding the Fourth Proportional to 129,823.82, 194,735.73 and 103,694.65

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Solution

The fourth proportional to 129,823.82, 194,735.73 and 103,694.65 is: 155,541.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,823.82 : 194,735.73 = 103,694.65 : x
  2. Step 2: Convert to fraction form
    129,823.82/194,735.73 = 103,694.65/x
  3. Step 3: Cross multiply
    129,823.82x = 194,735.73 × 103,694.65
  4. Step 4: Simplify right side
    129,823.82x = 20,193,053,364.84
  5. Step 5: Solve for x
    x = 20,193,053,364.84/129,823.82
  6. Step 6: Final answer
    x = 155,541.98

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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.