Home / 150,378.60-207,520.20-82,395.30

Finding the Fourth Proportional to 150,378.60, 207,520.20 and 82,395.30

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Solution

The fourth proportional to 150,378.60, 207,520.20 and 82,395.30 is: 113,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,378.60 : 207,520.20 = 82,395.30 : x
  2. Step 2: Convert to fraction form
    150,378.60/207,520.20 = 82,395.30/x
  3. Step 3: Cross multiply
    150,378.60x = 207,520.20 × 82,395.30
  4. Step 4: Simplify right side
    150,378.60x = 17,098,689,135.06
  5. Step 5: Solve for x
    x = 17,098,689,135.06/150,378.60
  6. Step 6: Final answer
    x = 113,704.27

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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.