Home / 87,336.10-131,031.85-31,174.98

Finding the Fourth Proportional to 87,336.10, 131,031.85 and 31,174.98

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Solution

The fourth proportional to 87,336.10, 131,031.85 and 31,174.98 is: 46,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336.10 : 131,031.85 = 31,174.98 : x
  2. Step 2: Convert to fraction form
    87,336.10/131,031.85 = 31,174.98/x
  3. Step 3: Cross multiply
    87,336.10x = 131,031.85 × 31,174.98
  4. Step 4: Simplify right side
    87,336.10x = 4,084,914,570.02
  5. Step 5: Solve for x
    x = 4,084,914,570.02/87,336.10
  6. Step 6: Final answer
    x = 46,772.35

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1.5x scale

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.