Home / 111,727.72-167,538.71-40,600.78

Finding the Fourth Proportional to 111,727.72, 167,538.71 and 40,600.78

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Solution

The fourth proportional to 111,727.72, 167,538.71 and 40,600.78 is: 60,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,727.72 : 167,538.71 = 40,600.78 : x
  2. Step 2: Convert to fraction form
    111,727.72/167,538.71 = 40,600.78/x
  3. Step 3: Cross multiply
    111,727.72x = 167,538.71 × 40,600.78
  4. Step 4: Simplify right side
    111,727.72x = 6,802,201,988.85
  5. Step 5: Solve for x
    x = 6,802,201,988.85/111,727.72
  6. Step 6: Final answer
    x = 60,881.95

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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.