Home / 87,467.40-131,201.10-69,971.40

Finding the Fourth Proportional to 87,467.40, 131,201.10 and 69,971.40

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Solution

The fourth proportional to 87,467.40, 131,201.10 and 69,971.40 is: 104,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,467.40 : 131,201.10 = 69,971.40 : x
  2. Step 2: Convert to fraction form
    87,467.40/131,201.10 = 69,971.40/x
  3. Step 3: Cross multiply
    87,467.40x = 131,201.10 × 69,971.40
  4. Step 4: Simplify right side
    87,467.40x = 9,180,324,648.54
  5. Step 5: Solve for x
    x = 9,180,324,648.54/87,467.40
  6. Step 6: Final answer
    x = 104,957.10

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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.