Home / 166,387.50-229,614.74-90,936

Finding the Fourth Proportional to 166,387.50, 229,614.74 and 90,936

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Solution

The fourth proportional to 166,387.50, 229,614.74 and 90,936 is: 125,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,387.50 : 229,614.74 = 90,936 : x
  2. Step 2: Convert to fraction form
    166,387.50/229,614.74 = 90,936/x
  3. Step 3: Cross multiply
    166,387.50x = 229,614.74 × 90,936
  4. Step 4: Simplify right side
    166,387.50x = 20,880,245,996.64
  5. Step 5: Solve for x
    x = 20,880,245,996.64/166,387.50
  6. Step 6: Final answer
    x = 125,491.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.