Home / 146,251.20-219,325.60-76,107.20

Finding the Fourth Proportional to 146,251.20, 219,325.60 and 76,107.20

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Solution

The fourth proportional to 146,251.20, 219,325.60 and 76,107.20 is: 114,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,251.20 : 219,325.60 = 76,107.20 : x
  2. Step 2: Convert to fraction form
    146,251.20/219,325.60 = 76,107.20/x
  3. Step 3: Cross multiply
    146,251.20x = 219,325.60 × 76,107.20
  4. Step 4: Simplify right side
    146,251.20x = 16,692,257,304.32
  5. Step 5: Solve for x
    x = 16,692,257,304.32/146,251.20
  6. Step 6: Final answer
    x = 114,134.16

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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.