Home / 209,950.05-315,018.11-110,086.52

Finding the Fourth Proportional to 209,950.05, 315,018.11 and 110,086.52

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Solution

The fourth proportional to 209,950.05, 315,018.11 and 110,086.52 is: 165,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,950.05 : 315,018.11 = 110,086.52 : x
  2. Step 2: Convert to fraction form
    209,950.05/315,018.11 = 110,086.52/x
  3. Step 3: Cross multiply
    209,950.05x = 315,018.11 × 110,086.52
  4. Step 4: Simplify right side
    209,950.05x = 34,679,247,052.99
  5. Step 5: Solve for x
    x = 34,679,247,052.99/209,950.05
  6. Step 6: Final answer
    x = 165,178.56

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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.