Home / 204,087.20-306,130.80-181,536.80

Finding the Fourth Proportional to 204,087.20, 306,130.80 and 181,536.80

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Solution

The fourth proportional to 204,087.20, 306,130.80 and 181,536.80 is: 272,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,087.20 : 306,130.80 = 181,536.80 : x
  2. Step 2: Convert to fraction form
    204,087.20/306,130.80 = 181,536.80/x
  3. Step 3: Cross multiply
    204,087.20x = 306,130.80 × 181,536.80
  4. Step 4: Simplify right side
    204,087.20x = 55,574,005,813.44
  5. Step 5: Solve for x
    x = 55,574,005,813.44/204,087.20
  6. Step 6: Final answer
    x = 272,305.20

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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.