Home / 205,251.85-307,846.98-64,992.25

Finding the Fourth Proportional to 205,251.85, 307,846.98 and 64,992.25

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Solution

The fourth proportional to 205,251.85, 307,846.98 and 64,992.25 is: 97,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,251.85 : 307,846.98 = 64,992.25 : x
  2. Step 2: Convert to fraction form
    205,251.85/307,846.98 = 64,992.25/x
  3. Step 3: Cross multiply
    205,251.85x = 307,846.98 × 64,992.25
  4. Step 4: Simplify right side
    205,251.85x = 20,007,667,885.91
  5. Step 5: Solve for x
    x = 20,007,667,885.91/205,251.85
  6. Step 6: Final answer
    x = 97,478.62

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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.