Home / 149,717.70-224,576.55-143,812.80

Finding the Fourth Proportional to 149,717.70, 224,576.55 and 143,812.80

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Solution

The fourth proportional to 149,717.70, 224,576.55 and 143,812.80 is: 215,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,717.70 : 224,576.55 = 143,812.80 : x
  2. Step 2: Convert to fraction form
    149,717.70/224,576.55 = 143,812.80/x
  3. Step 3: Cross multiply
    149,717.70x = 224,576.55 × 143,812.80
  4. Step 4: Simplify right side
    149,717.70x = 32,296,982,469.84
  5. Step 5: Solve for x
    x = 32,296,982,469.84/149,717.70
  6. Step 6: Final answer
    x = 215,719.20

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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.