Home / 114,991.46-172,475.05-30,760.12

Finding the Fourth Proportional to 114,991.46, 172,475.05 and 30,760.12

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Solution

The fourth proportional to 114,991.46, 172,475.05 and 30,760.12 is: 46,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,991.46 : 172,475.05 = 30,760.12 : x
  2. Step 2: Convert to fraction form
    114,991.46/172,475.05 = 30,760.12/x
  3. Step 3: Cross multiply
    114,991.46x = 172,475.05 × 30,760.12
  4. Step 4: Simplify right side
    114,991.46x = 5,305,353,235.01
  5. Step 5: Solve for x
    x = 5,305,353,235.01/114,991.46
  6. Step 6: Final answer
    x = 46,136.93

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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.