Home / 111,933.78-167,902.29-28,827.78

Finding the Fourth Proportional to 111,933.78, 167,902.29 and 28,827.78

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Solution

The fourth proportional to 111,933.78, 167,902.29 and 28,827.78 is: 43,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,933.78 : 167,902.29 = 28,827.78 : x
  2. Step 2: Convert to fraction form
    111,933.78/167,902.29 = 28,827.78/x
  3. Step 3: Cross multiply
    111,933.78x = 167,902.29 × 28,827.78
  4. Step 4: Simplify right side
    111,933.78x = 4,840,250,277.62
  5. Step 5: Solve for x
    x = 4,840,250,277.62/111,933.78
  6. Step 6: Final answer
    x = 43,242.09

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1.5x scale

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.