Home / 79,365.05-119,051.24-20,201.23

Finding the Fourth Proportional to 79,365.05, 119,051.24 and 20,201.23

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Solution

The fourth proportional to 79,365.05, 119,051.24 and 20,201.23 is: 30,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,365.05 : 119,051.24 = 20,201.23 : x
  2. Step 2: Convert to fraction form
    79,365.05/119,051.24 = 20,201.23/x
  3. Step 3: Cross multiply
    79,365.05x = 119,051.24 × 20,201.23
  4. Step 4: Simplify right side
    79,365.05x = 2,404,981,528.83
  5. Step 5: Solve for x
    x = 2,404,981,528.83/79,365.05
  6. Step 6: Final answer
    x = 30,302.78

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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.