Home / 142,800.20-214,200.30-109,622.60

Finding the Fourth Proportional to 142,800.20, 214,200.30 and 109,622.60

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Solution

The fourth proportional to 142,800.20, 214,200.30 and 109,622.60 is: 164,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,800.20 : 214,200.30 = 109,622.60 : x
  2. Step 2: Convert to fraction form
    142,800.20/214,200.30 = 109,622.60/x
  3. Step 3: Cross multiply
    142,800.20x = 214,200.30 × 109,622.60
  4. Step 4: Simplify right side
    142,800.20x = 23,481,193,806.78
  5. Step 5: Solve for x
    x = 23,481,193,806.78/142,800.20
  6. Step 6: Final answer
    x = 164,433.90

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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.