Home / 133,020.45-183,404.88-82,631.97

Finding the Fourth Proportional to 133,020.45, 183,404.88 and 82,631.97

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Solution

The fourth proportional to 133,020.45, 183,404.88 and 82,631.97 is: 113,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020.45 : 183,404.88 = 82,631.97 : x
  2. Step 2: Convert to fraction form
    133,020.45/183,404.88 = 82,631.97/x
  3. Step 3: Cross multiply
    133,020.45x = 183,404.88 × 82,631.97
  4. Step 4: Simplify right side
    133,020.45x = 15,155,106,542.01
  5. Step 5: Solve for x
    x = 15,155,106,542.01/133,020.45
  6. Step 6: Final answer
    x = 113,930.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.