Home / 143,698.20-215,414.46-73,422.60

Finding the Fourth Proportional to 143,698.20, 215,414.46 and 73,422.60

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Solution

The fourth proportional to 143,698.20, 215,414.46 and 73,422.60 is: 110,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,698.20 : 215,414.46 = 73,422.60 : x
  2. Step 2: Convert to fraction form
    143,698.20/215,414.46 = 73,422.60/x
  3. Step 3: Cross multiply
    143,698.20x = 215,414.46 × 73,422.60
  4. Step 4: Simplify right side
    143,698.20x = 15,816,289,730.80
  5. Step 5: Solve for x
    x = 15,816,289,730.80/143,698.20
  6. Step 6: Final answer
    x = 110,066.03

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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.