Home / 275,110.38-412,637.91-75,450.84

Finding the Fourth Proportional to 275,110.38, 412,637.91 and 75,450.84

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Solution

The fourth proportional to 275,110.38, 412,637.91 and 75,450.84 is: 113,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,110.38 : 412,637.91 = 75,450.84 : x
  2. Step 2: Convert to fraction form
    275,110.38/412,637.91 = 75,450.84/x
  3. Step 3: Cross multiply
    275,110.38x = 412,637.91 × 75,450.84
  4. Step 4: Simplify right side
    275,110.38x = 31,133,876,925.34
  5. Step 5: Solve for x
    x = 31,133,876,925.34/275,110.38
  6. Step 6: Final answer
    x = 113,168.67

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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.