Home / 149,286.23-223,769.47-74,244.79

Finding the Fourth Proportional to 149,286.23, 223,769.47 and 74,244.79

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Solution

The fourth proportional to 149,286.23, 223,769.47 and 74,244.79 is: 111,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,286.23 : 223,769.47 = 74,244.79 : x
  2. Step 2: Convert to fraction form
    149,286.23/223,769.47 = 74,244.79/x
  3. Step 3: Cross multiply
    149,286.23x = 223,769.47 × 74,244.79
  4. Step 4: Simplify right side
    149,286.23x = 16,613,717,308.56
  5. Step 5: Solve for x
    x = 16,613,717,308.56/149,286.23
  6. Step 6: Final answer
    x = 111,287.67

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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.