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Finding the Fourth Proportional to 150,000.85, 207,004.17 and 82,022.08

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Solution

The fourth proportional to 150,000.85, 207,004.17 and 82,022.08 is: 113,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,000.85 : 207,004.17 = 82,022.08 : x
  2. Step 2: Convert to fraction form
    150,000.85/207,004.17 = 82,022.08/x
  3. Step 3: Cross multiply
    150,000.85x = 207,004.17 × 82,022.08
  4. Step 4: Simplify right side
    150,000.85x = 16,978,912,592.07
  5. Step 5: Solve for x
    x = 16,978,912,592.07/150,000.85
  6. Step 6: Final answer
    x = 113,192.11

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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.