Home / 87,704.20-131,491.50-72,852.04

Finding the Fourth Proportional to 87,704.20, 131,491.50 and 72,852.04

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Solution

The fourth proportional to 87,704.20, 131,491.50 and 72,852.04 is: 109,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,704.20 : 131,491.50 = 72,852.04 : x
  2. Step 2: Convert to fraction form
    87,704.20/131,491.50 = 72,852.04/x
  3. Step 3: Cross multiply
    87,704.20x = 131,491.50 × 72,852.04
  4. Step 4: Simplify right side
    87,704.20x = 9,579,424,017.66
  5. Step 5: Solve for x
    x = 9,579,424,017.66/87,704.20
  6. Step 6: Final answer
    x = 109,224.23

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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.