Home / 129,069.65-193,529.30-50,091.62

Finding the Fourth Proportional to 129,069.65, 193,529.30 and 50,091.62

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Solution

The fourth proportional to 129,069.65, 193,529.30 and 50,091.62 is: 75,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,069.65 : 193,529.30 = 50,091.62 : x
  2. Step 2: Convert to fraction form
    129,069.65/193,529.30 = 50,091.62/x
  3. Step 3: Cross multiply
    129,069.65x = 193,529.30 × 50,091.62
  4. Step 4: Simplify right side
    129,069.65x = 9,694,195,904.01
  5. Step 5: Solve for x
    x = 9,694,195,904.01/129,069.65
  6. Step 6: Final answer
    x = 75,108.25

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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.