Home / 89,144.48-133,760.26-39,218.34

Finding the Fourth Proportional to 89,144.48, 133,760.26 and 39,218.34

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Solution

The fourth proportional to 89,144.48, 133,760.26 and 39,218.34 is: 58,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,144.48 : 133,760.26 = 39,218.34 : x
  2. Step 2: Convert to fraction form
    89,144.48/133,760.26 = 39,218.34/x
  3. Step 3: Cross multiply
    89,144.48x = 133,760.26 × 39,218.34
  4. Step 4: Simplify right side
    89,144.48x = 5,245,855,905.79
  5. Step 5: Solve for x
    x = 5,245,855,905.79/89,144.48
  6. Step 6: Final answer
    x = 58,846.67

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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.