Home / 154,076.68-231,136.89-47,469.29

Finding the Fourth Proportional to 154,076.68, 231,136.89 and 47,469.29

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Solution

The fourth proportional to 154,076.68, 231,136.89 and 47,469.29 is: 71,210.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,076.68 : 231,136.89 = 47,469.29 : x
  2. Step 2: Convert to fraction form
    154,076.68/231,136.89 = 47,469.29/x
  3. Step 3: Cross multiply
    154,076.68x = 231,136.89 × 47,469.29
  4. Step 4: Simplify right side
    154,076.68x = 10,971,904,294.57
  5. Step 5: Solve for x
    x = 10,971,904,294.57/154,076.68
  6. Step 6: Final answer
    x = 71,210.67

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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.