Home / 87,424.46-131,136.57-34,870.85

Finding the Fourth Proportional to 87,424.46, 131,136.57 and 34,870.85

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Solution

The fourth proportional to 87,424.46, 131,136.57 and 34,870.85 is: 52,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,424.46 : 131,136.57 = 34,870.85 : x
  2. Step 2: Convert to fraction form
    87,424.46/131,136.57 = 34,870.85/x
  3. Step 3: Cross multiply
    87,424.46x = 131,136.57 × 34,870.85
  4. Step 4: Simplify right side
    87,424.46x = 4,572,843,006.30
  5. Step 5: Solve for x
    x = 4,572,843,006.30/87,424.46
  6. Step 6: Final answer
    x = 52,306.22

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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.