Home / 87,137.92-130,787.04-53,922.88

Finding the Fourth Proportional to 87,137.92, 130,787.04 and 53,922.88

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Solution

The fourth proportional to 87,137.92, 130,787.04 and 53,922.88 is: 80,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,137.92 : 130,787.04 = 53,922.88 : x
  2. Step 2: Convert to fraction form
    87,137.92/130,787.04 = 53,922.88/x
  3. Step 3: Cross multiply
    87,137.92x = 130,787.04 × 53,922.88
  4. Step 4: Simplify right side
    87,137.92x = 7,052,413,863.48
  5. Step 5: Solve for x
    x = 7,052,413,863.48/87,137.92
  6. Step 6: Final answer
    x = 80,933.92

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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.