Home / 177,786.20-266,717.70-53,139.80

Finding the Fourth Proportional to 177,786.20, 266,717.70 and 53,139.80

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Solution

The fourth proportional to 177,786.20, 266,717.70 and 53,139.80 is: 79,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,786.20 : 266,717.70 = 53,139.80 : x
  2. Step 2: Convert to fraction form
    177,786.20/266,717.70 = 53,139.80/x
  3. Step 3: Cross multiply
    177,786.20x = 266,717.70 × 53,139.80
  4. Step 4: Simplify right side
    177,786.20x = 14,173,325,234.46
  5. Step 5: Solve for x
    x = 14,173,325,234.46/177,786.20
  6. Step 6: Final answer
    x = 79,721.18

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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.