Home / 133,036.20-199,554.30-54,109.80

Finding the Fourth Proportional to 133,036.20, 199,554.30 and 54,109.80

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Solution

The fourth proportional to 133,036.20, 199,554.30 and 54,109.80 is: 81,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,036.20 : 199,554.30 = 54,109.80 : x
  2. Step 2: Convert to fraction form
    133,036.20/199,554.30 = 54,109.80/x
  3. Step 3: Cross multiply
    133,036.20x = 199,554.30 × 54,109.80
  4. Step 4: Simplify right side
    133,036.20x = 10,797,843,262.14
  5. Step 5: Solve for x
    x = 10,797,843,262.14/133,036.20
  6. Step 6: Final answer
    x = 81,164.70

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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.