Home / 129,878.46-194,847.21-41,137.50

Finding the Fourth Proportional to 129,878.46, 194,847.21 and 41,137.50

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Solution

The fourth proportional to 129,878.46, 194,847.21 and 41,137.50 is: 61,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,878.46 : 194,847.21 = 41,137.50 : x
  2. Step 2: Convert to fraction form
    129,878.46/194,847.21 = 41,137.50/x
  3. Step 3: Cross multiply
    129,878.46x = 194,847.21 × 41,137.50
  4. Step 4: Simplify right side
    129,878.46x = 8,015,527,101.38
  5. Step 5: Solve for x
    x = 8,015,527,101.38/129,878.46
  6. Step 6: Final answer
    x = 61,715.60

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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.