Home / 276,078.20-414,117.30-164,103.80

Finding the Fourth Proportional to 276,078.20, 414,117.30 and 164,103.80

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Solution

The fourth proportional to 276,078.20, 414,117.30 and 164,103.80 is: 246,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,078.20 : 414,117.30 = 164,103.80 : x
  2. Step 2: Convert to fraction form
    276,078.20/414,117.30 = 164,103.80/x
  3. Step 3: Cross multiply
    276,078.20x = 414,117.30 × 164,103.80
  4. Step 4: Simplify right side
    276,078.20x = 67,958,222,575.74
  5. Step 5: Solve for x
    x = 67,958,222,575.74/276,078.20
  6. Step 6: Final answer
    x = 246,155.70

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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.