Home / 133,043.97-183,604.66-72,618.57

Finding the Fourth Proportional to 133,043.97, 183,604.66 and 72,618.57

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Solution

The fourth proportional to 133,043.97, 183,604.66 and 72,618.57 is: 100,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.97 : 183,604.66 = 72,618.57 : x
  2. Step 2: Convert to fraction form
    133,043.97/183,604.66 = 72,618.57/x
  3. Step 3: Cross multiply
    133,043.97x = 183,604.66 × 72,618.57
  4. Step 4: Simplify right side
    133,043.97x = 13,333,107,854.54
  5. Step 5: Solve for x
    x = 13,333,107,854.54/133,043.97
  6. Step 6: Final answer
    x = 100,215.80

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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.