Home / 133,107.50-183,882.67-115,171.37

Finding the Fourth Proportional to 133,107.50, 183,882.67 and 115,171.37

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Solution

The fourth proportional to 133,107.50, 183,882.67 and 115,171.37 is: 159,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,107.50 : 183,882.67 = 115,171.37 : x
  2. Step 2: Convert to fraction form
    133,107.50/183,882.67 = 115,171.37/x
  3. Step 3: Cross multiply
    133,107.50x = 183,882.67 × 115,171.37
  4. Step 4: Simplify right side
    133,107.50x = 21,178,017,527.89
  5. Step 5: Solve for x
    x = 21,178,017,527.89/133,107.50
  6. Step 6: Final answer
    x = 159,104.62

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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.