Home / 129,968.21-194,959.24-41,228.66

Finding the Fourth Proportional to 129,968.21, 194,959.24 and 41,228.66

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Solution

The fourth proportional to 129,968.21, 194,959.24 and 41,228.66 is: 61,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,968.21 : 194,959.24 = 41,228.66 : x
  2. Step 2: Convert to fraction form
    129,968.21/194,959.24 = 41,228.66/x
  3. Step 3: Cross multiply
    129,968.21x = 194,959.24 × 41,228.66
  4. Step 4: Simplify right side
    129,968.21x = 8,037,908,604.14
  5. Step 5: Solve for x
    x = 8,037,908,604.14/129,968.21
  6. Step 6: Final answer
    x = 61,845.19

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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.