Home / 114,758.96-172,138.19-30,519.14

Finding the Fourth Proportional to 114,758.96, 172,138.19 and 30,519.14

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Solution

The fourth proportional to 114,758.96, 172,138.19 and 30,519.14 is: 45,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,758.96 : 172,138.19 = 30,519.14 : x
  2. Step 2: Convert to fraction form
    114,758.96/172,138.19 = 30,519.14/x
  3. Step 3: Cross multiply
    114,758.96x = 172,138.19 × 30,519.14
  4. Step 4: Simplify right side
    114,758.96x = 5,253,508,506.67
  5. Step 5: Solve for x
    x = 5,253,508,506.67/114,758.96
  6. Step 6: Final answer
    x = 45,778.64

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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.