Home / 87,687.04-131,491.68-61,404.16

Finding the Fourth Proportional to 87,687.04, 131,491.68 and 61,404.16

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Solution

The fourth proportional to 87,687.04, 131,491.68 and 61,404.16 is: 92,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,687.04 : 131,491.68 = 61,404.16 : x
  2. Step 2: Convert to fraction form
    87,687.04/131,491.68 = 61,404.16/x
  3. Step 3: Cross multiply
    87,687.04x = 131,491.68 × 61,404.16
  4. Step 4: Simplify right side
    87,687.04x = 8,074,136,157.39
  5. Step 5: Solve for x
    x = 8,074,136,157.39/87,687.04
  6. Step 6: Final answer
    x = 92,079.01

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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.