Home / 87,176.27-130,778.87-31,004.55

Finding the Fourth Proportional to 87,176.27, 130,778.87 and 31,004.55

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Solution

The fourth proportional to 87,176.27, 130,778.87 and 31,004.55 is: 46,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,176.27 : 130,778.87 = 31,004.55 : x
  2. Step 2: Convert to fraction form
    87,176.27/130,778.87 = 31,004.55/x
  3. Step 3: Cross multiply
    87,176.27x = 130,778.87 × 31,004.55
  4. Step 4: Simplify right side
    87,176.27x = 4,054,739,858.84
  5. Step 5: Solve for x
    x = 4,054,739,858.84/87,176.27
  6. Step 6: Final answer
    x = 46,511.97

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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.