Home / 107,621.19-161,301.42-40,098.56

Finding the Fourth Proportional to 107,621.19, 161,301.42 and 40,098.56

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Solution

The fourth proportional to 107,621.19, 161,301.42 and 40,098.56 is: 60,099.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,621.19 : 161,301.42 = 40,098.56 : x
  2. Step 2: Convert to fraction form
    107,621.19/161,301.42 = 40,098.56/x
  3. Step 3: Cross multiply
    107,621.19x = 161,301.42 × 40,098.56
  4. Step 4: Simplify right side
    107,621.19x = 6,467,953,861.45
  5. Step 5: Solve for x
    x = 6,467,953,861.45/107,621.19
  6. Step 6: Final answer
    x = 60,099.26

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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.