Home / 133,828.20-200,742.30-54,901.80

Finding the Fourth Proportional to 133,828.20, 200,742.30 and 54,901.80

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Solution

The fourth proportional to 133,828.20, 200,742.30 and 54,901.80 is: 82,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,828.20 : 200,742.30 = 54,901.80 : x
  2. Step 2: Convert to fraction form
    133,828.20/200,742.30 = 54,901.80/x
  3. Step 3: Cross multiply
    133,828.20x = 200,742.30 × 54,901.80
  4. Step 4: Simplify right side
    133,828.20x = 11,021,113,606.14
  5. Step 5: Solve for x
    x = 11,021,113,606.14/133,828.20
  6. Step 6: Final answer
    x = 82,352.70

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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.