Home / 129,791.04-194,686.96-36,297.60

Finding the Fourth Proportional to 129,791.04, 194,686.96 and 36,297.60

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Solution

The fourth proportional to 129,791.04, 194,686.96 and 36,297.60 is: 54,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,791.04 : 194,686.96 = 36,297.60 : x
  2. Step 2: Convert to fraction form
    129,791.04/194,686.96 = 36,297.60/x
  3. Step 3: Cross multiply
    129,791.04x = 194,686.96 × 36,297.60
  4. Step 4: Simplify right side
    129,791.04x = 7,066,669,399.30
  5. Step 5: Solve for x
    x = 7,066,669,399.30/129,791.04
  6. Step 6: Final answer
    x = 54,446.51

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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.