Home / 133,236.29-183,866.09-71,982.47

Finding the Fourth Proportional to 133,236.29, 183,866.09 and 71,982.47

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Solution

The fourth proportional to 133,236.29, 183,866.09 and 71,982.47 is: 99,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,236.29 : 183,866.09 = 71,982.47 : x
  2. Step 2: Convert to fraction form
    133,236.29/183,866.09 = 71,982.47/x
  3. Step 3: Cross multiply
    133,236.29x = 183,866.09 × 71,982.47
  4. Step 4: Simplify right side
    133,236.29x = 13,235,134,028.20
  5. Step 5: Solve for x
    x = 13,235,134,028.20/133,236.29
  6. Step 6: Final answer
    x = 99,335.81

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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.