Home / 150,209.46-207,289.31-82,226.47

Finding the Fourth Proportional to 150,209.46, 207,289.31 and 82,226.47

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Solution

The fourth proportional to 150,209.46, 207,289.31 and 82,226.47 is: 113,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,209.46 : 207,289.31 = 82,226.47 : x
  2. Step 2: Convert to fraction form
    150,209.46/207,289.31 = 82,226.47/x
  3. Step 3: Cross multiply
    150,209.46x = 207,289.31 × 82,226.47
  4. Step 4: Simplify right side
    150,209.46x = 17,044,668,024.47
  5. Step 5: Solve for x
    x = 17,044,668,024.47/150,209.46
  6. Step 6: Final answer
    x = 113,472.67

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1.5x scale

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.