Home / 87,192.44-130,611.16-79,926.74

Finding the Fourth Proportional to 87,192.44, 130,611.16 and 79,926.74

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Solution

The fourth proportional to 87,192.44, 130,611.16 and 79,926.74 is: 119,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,192.44 : 130,611.16 = 79,926.74 : x
  2. Step 2: Convert to fraction form
    87,192.44/130,611.16 = 79,926.74/x
  3. Step 3: Cross multiply
    87,192.44x = 130,611.16 × 79,926.74
  4. Step 4: Simplify right side
    87,192.44x = 10,439,324,226.42
  5. Step 5: Solve for x
    x = 10,439,324,226.42/87,192.44
  6. Step 6: Final answer
    x = 119,727.40

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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.