Home / 129,611.36-194,410.55-50,740.04

Finding the Fourth Proportional to 129,611.36, 194,410.55 and 50,740.04

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Solution

The fourth proportional to 129,611.36, 194,410.55 and 50,740.04 is: 76,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,611.36 : 194,410.55 = 50,740.04 : x
  2. Step 2: Convert to fraction form
    129,611.36/194,410.55 = 50,740.04/x
  3. Step 3: Cross multiply
    129,611.36x = 194,410.55 × 50,740.04
  4. Step 4: Simplify right side
    129,611.36x = 9,864,397,857.67
  5. Step 5: Solve for x
    x = 9,864,397,857.67/129,611.36
  6. Step 6: Final answer
    x = 76,107.51

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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.