Home / 227,142.43-340,336.99-138,126.67

Finding the Fourth Proportional to 227,142.43, 340,336.99 and 138,126.67

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Solution

The fourth proportional to 227,142.43, 340,336.99 and 138,126.67 is: 206,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,142.43 : 340,336.99 = 138,126.67 : x
  2. Step 2: Convert to fraction form
    227,142.43/340,336.99 = 138,126.67/x
  3. Step 3: Cross multiply
    227,142.43x = 340,336.99 × 138,126.67
  4. Step 4: Simplify right side
    227,142.43x = 47,009,614,428.34
  5. Step 5: Solve for x
    x = 47,009,614,428.34/227,142.43
  6. Step 6: Final answer
    x = 206,960.96

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1.5x scale

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.