Home / 129,825.98-194,746.06-41,072.90

Finding the Fourth Proportional to 129,825.98, 194,746.06 and 41,072.90

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Solution

The fourth proportional to 129,825.98, 194,746.06 and 41,072.90 is: 61,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,825.98 : 194,746.06 = 41,072.90 : x
  2. Step 2: Convert to fraction form
    129,825.98/194,746.06 = 41,072.90/x
  3. Step 3: Cross multiply
    129,825.98x = 194,746.06 × 41,072.90
  4. Step 4: Simplify right side
    129,825.98x = 7,998,785,447.77
  5. Step 5: Solve for x
    x = 7,998,785,447.77/129,825.98
  6. Step 6: Final answer
    x = 61,611.59

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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.