Home / 168,155.80-231,923.78-107,732.06

Finding the Fourth Proportional to 168,155.80, 231,923.78 and 107,732.06

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Solution

The fourth proportional to 168,155.80, 231,923.78 and 107,732.06 is: 148,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,155.80 : 231,923.78 = 107,732.06 : x
  2. Step 2: Convert to fraction form
    168,155.80/231,923.78 = 107,732.06/x
  3. Step 3: Cross multiply
    168,155.80x = 231,923.78 × 107,732.06
  4. Step 4: Simplify right side
    168,155.80x = 24,985,626,582.39
  5. Step 5: Solve for x
    x = 24,985,626,582.39/168,155.80
  6. Step 6: Final answer
    x = 148,586.17

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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.