Home / 144,711.40-217,067.10-51,226.60

Finding the Fourth Proportional to 144,711.40, 217,067.10 and 51,226.60

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Solution

The fourth proportional to 144,711.40, 217,067.10 and 51,226.60 is: 76,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,711.40 : 217,067.10 = 51,226.60 : x
  2. Step 2: Convert to fraction form
    144,711.40/217,067.10 = 51,226.60/x
  3. Step 3: Cross multiply
    144,711.40x = 217,067.10 × 51,226.60
  4. Step 4: Simplify right side
    144,711.40x = 11,119,609,504.86
  5. Step 5: Solve for x
    x = 11,119,609,504.86/144,711.40
  6. Step 6: Final answer
    x = 76,839.90

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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.