Home / 111,898.14-167,886.09-49,612.38

Finding the Fourth Proportional to 111,898.14, 167,886.09 and 49,612.38

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Solution

The fourth proportional to 111,898.14, 167,886.09 and 49,612.38 is: 74,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,898.14 : 167,886.09 = 49,612.38 : x
  2. Step 2: Convert to fraction form
    111,898.14/167,886.09 = 49,612.38/x
  3. Step 3: Cross multiply
    111,898.14x = 167,886.09 × 49,612.38
  4. Step 4: Simplify right side
    111,898.14x = 8,329,228,493.79
  5. Step 5: Solve for x
    x = 8,329,228,493.79/111,898.14
  6. Step 6: Final answer
    x = 74,435.81

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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.