Home / 100,942.01-151,414.17-43,231.45

Finding the Fourth Proportional to 100,942.01, 151,414.17 and 43,231.45

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Solution

The fourth proportional to 100,942.01, 151,414.17 and 43,231.45 is: 64,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,942.01 : 151,414.17 = 43,231.45 : x
  2. Step 2: Convert to fraction form
    100,942.01/151,414.17 = 43,231.45/x
  3. Step 3: Cross multiply
    100,942.01x = 151,414.17 × 43,231.45
  4. Step 4: Simplify right side
    100,942.01x = 6,545,853,741.01
  5. Step 5: Solve for x
    x = 6,545,853,741.01/100,942.01
  6. Step 6: Final answer
    x = 64,847.67

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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.