Home / 87,336.91-131,005.37-69,724.27

Finding the Fourth Proportional to 87,336.91, 131,005.37 and 69,724.27

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Solution

The fourth proportional to 87,336.91, 131,005.37 and 69,724.27 is: 104,586.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336.91 : 131,005.37 = 69,724.27 : x
  2. Step 2: Convert to fraction form
    87,336.91/131,005.37 = 69,724.27/x
  3. Step 3: Cross multiply
    87,336.91x = 131,005.37 × 69,724.27
  4. Step 4: Simplify right side
    87,336.91x = 9,134,253,113.20
  5. Step 5: Solve for x
    x = 9,134,253,113.20/87,336.91
  6. Step 6: Final answer
    x = 104,586.40

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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.