Home / 228,067.20-342,002.34-87,727.68

Finding the Fourth Proportional to 228,067.20, 342,002.34 and 87,727.68

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Solution

The fourth proportional to 228,067.20, 342,002.34 and 87,727.68 is: 131,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,067.20 : 342,002.34 = 87,727.68 : x
  2. Step 2: Convert to fraction form
    228,067.20/342,002.34 = 87,727.68/x
  3. Step 3: Cross multiply
    228,067.20x = 342,002.34 × 87,727.68
  4. Step 4: Simplify right side
    228,067.20x = 30,003,071,842.77
  5. Step 5: Solve for x
    x = 30,003,071,842.77/228,067.20
  6. Step 6: Final answer
    x = 131,553.65

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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.