Home / 129,745.26-194,601.15-41,007.74

Finding the Fourth Proportional to 129,745.26, 194,601.15 and 41,007.74

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Solution

The fourth proportional to 129,745.26, 194,601.15 and 41,007.74 is: 61,506.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,745.26 : 194,601.15 = 41,007.74 : x
  2. Step 2: Convert to fraction form
    129,745.26/194,601.15 = 41,007.74/x
  3. Step 3: Cross multiply
    129,745.26x = 194,601.15 × 41,007.74
  4. Step 4: Simplify right side
    129,745.26x = 7,980,152,389.90
  5. Step 5: Solve for x
    x = 7,980,152,389.90/129,745.26
  6. Step 6: Final answer
    x = 61,506.31

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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.