Home / 146,150.20-219,209.10-40,979.80

Finding the Fourth Proportional to 146,150.20, 219,209.10 and 40,979.80

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Solution

The fourth proportional to 146,150.20, 219,209.10 and 40,979.80 is: 61,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,150.20 : 219,209.10 = 40,979.80 : x
  2. Step 2: Convert to fraction form
    146,150.20/219,209.10 = 40,979.80/x
  3. Step 3: Cross multiply
    146,150.20x = 219,209.10 × 40,979.80
  4. Step 4: Simplify right side
    146,150.20x = 8,983,145,076.18
  5. Step 5: Solve for x
    x = 8,983,145,076.18/146,150.20
  6. Step 6: Final answer
    x = 61,465.16

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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.