Home / 141,243.40-211,865.10-131,401.90

Finding the Fourth Proportional to 141,243.40, 211,865.10 and 131,401.90

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Solution

The fourth proportional to 141,243.40, 211,865.10 and 131,401.90 is: 197,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,243.40 : 211,865.10 = 131,401.90 : x
  2. Step 2: Convert to fraction form
    141,243.40/211,865.10 = 131,401.90/x
  3. Step 3: Cross multiply
    141,243.40x = 211,865.10 × 131,401.90
  4. Step 4: Simplify right side
    141,243.40x = 27,839,476,683.69
  5. Step 5: Solve for x
    x = 27,839,476,683.69/141,243.40
  6. Step 6: Final answer
    x = 197,102.85

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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.