Home / 129,827.58-194,761.56-41,072.64

Finding the Fourth Proportional to 129,827.58, 194,761.56 and 41,072.64

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Solution

The fourth proportional to 129,827.58, 194,761.56 and 41,072.64 is: 61,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,827.58 : 194,761.56 = 41,072.64 : x
  2. Step 2: Convert to fraction form
    129,827.58/194,761.56 = 41,072.64/x
  3. Step 3: Cross multiply
    129,827.58x = 194,761.56 × 41,072.64
  4. Step 4: Simplify right side
    129,827.58x = 7,999,371,439.72
  5. Step 5: Solve for x
    x = 7,999,371,439.72/129,827.58
  6. Step 6: Final answer
    x = 61,615.35

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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.