Home / 178,760.14-268,136.10-89,989.80

Finding the Fourth Proportional to 178,760.14, 268,136.10 and 89,989.80

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Solution

The fourth proportional to 178,760.14, 268,136.10 and 89,989.80 is: 134,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,760.14 : 268,136.10 = 89,989.80 : x
  2. Step 2: Convert to fraction form
    178,760.14/268,136.10 = 89,989.80/x
  3. Step 3: Cross multiply
    178,760.14x = 268,136.10 × 89,989.80
  4. Step 4: Simplify right side
    178,760.14x = 24,129,514,011.78
  5. Step 5: Solve for x
    x = 24,129,514,011.78/178,760.14
  6. Step 6: Final answer
    x = 134,982.63

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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.