Home / 107,406.69-160,864.62-51,286.10

Finding the Fourth Proportional to 107,406.69, 160,864.62 and 51,286.10

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Solution

The fourth proportional to 107,406.69, 160,864.62 and 51,286.10 is: 76,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,406.69 : 160,864.62 = 51,286.10 : x
  2. Step 2: Convert to fraction form
    107,406.69/160,864.62 = 51,286.10/x
  3. Step 3: Cross multiply
    107,406.69x = 160,864.62 × 51,286.10
  4. Step 4: Simplify right side
    107,406.69x = 8,250,118,987.78
  5. Step 5: Solve for x
    x = 8,250,118,987.78/107,406.69
  6. Step 6: Final answer
    x = 76,811.97

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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.