Home / 87,888.36-131,855.04-25,558.86

Finding the Fourth Proportional to 87,888.36, 131,855.04 and 25,558.86

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Solution

The fourth proportional to 87,888.36, 131,855.04 and 25,558.86 is: 38,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,888.36 : 131,855.04 = 25,558.86 : x
  2. Step 2: Convert to fraction form
    87,888.36/131,855.04 = 25,558.86/x
  3. Step 3: Cross multiply
    87,888.36x = 131,855.04 × 25,558.86
  4. Step 4: Simplify right side
    87,888.36x = 3,370,064,507.65
  5. Step 5: Solve for x
    x = 3,370,064,507.65/87,888.36
  6. Step 6: Final answer
    x = 38,344.83

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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.