Home / 87,441.93-131,148.97-31,271.57

Finding the Fourth Proportional to 87,441.93, 131,148.97 and 31,271.57

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Solution

The fourth proportional to 87,441.93, 131,148.97 and 31,271.57 is: 46,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,441.93 : 131,148.97 = 31,271.57 : x
  2. Step 2: Convert to fraction form
    87,441.93/131,148.97 = 31,271.57/x
  3. Step 3: Cross multiply
    87,441.93x = 131,148.97 × 31,271.57
  4. Step 4: Simplify right side
    87,441.93x = 4,101,234,129.57
  5. Step 5: Solve for x
    x = 4,101,234,129.57/87,441.93
  6. Step 6: Final answer
    x = 46,902.37

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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.