Home / 117,251.98-161,815.67-66,247.02

Finding the Fourth Proportional to 117,251.98, 161,815.67 and 66,247.02

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Solution

The fourth proportional to 117,251.98, 161,815.67 and 66,247.02 is: 91,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,251.98 : 161,815.67 = 66,247.02 : x
  2. Step 2: Convert to fraction form
    117,251.98/161,815.67 = 66,247.02/x
  3. Step 3: Cross multiply
    117,251.98x = 161,815.67 × 66,247.02
  4. Step 4: Simplify right side
    117,251.98x = 10,719,805,926.80
  5. Step 5: Solve for x
    x = 10,719,805,926.80/117,251.98
  6. Step 6: Final answer
    x = 91,425.37

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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.