Home / 177,322.20-266,069.70-135,187.80

Finding the Fourth Proportional to 177,322.20, 266,069.70 and 135,187.80

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Solution

The fourth proportional to 177,322.20, 266,069.70 and 135,187.80 is: 202,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,322.20 : 266,069.70 = 135,187.80 : x
  2. Step 2: Convert to fraction form
    177,322.20/266,069.70 = 135,187.80/x
  3. Step 3: Cross multiply
    177,322.20x = 266,069.70 × 135,187.80
  4. Step 4: Simplify right side
    177,322.20x = 35,969,377,389.66
  5. Step 5: Solve for x
    x = 35,969,377,389.66/177,322.20
  6. Step 6: Final answer
    x = 202,847.57

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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.