Home / 140,942.16-194,279.40-106,814.16

Finding the Fourth Proportional to 140,942.16, 194,279.40 and 106,814.16

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Solution

The fourth proportional to 140,942.16, 194,279.40 and 106,814.16 is: 147,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,942.16 : 194,279.40 = 106,814.16 : x
  2. Step 2: Convert to fraction form
    140,942.16/194,279.40 = 106,814.16/x
  3. Step 3: Cross multiply
    140,942.16x = 194,279.40 × 106,814.16
  4. Step 4: Simplify right side
    140,942.16x = 20,751,790,916.30
  5. Step 5: Solve for x
    x = 20,751,790,916.30/140,942.16
  6. Step 6: Final answer
    x = 147,236.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.