Home / 117,242.33-161,793.72-66,271.56

Finding the Fourth Proportional to 117,242.33, 161,793.72 and 66,271.56

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Solution

The fourth proportional to 117,242.33, 161,793.72 and 66,271.56 is: 91,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,242.33 : 161,793.72 = 66,271.56 : x
  2. Step 2: Convert to fraction form
    117,242.33/161,793.72 = 66,271.56/x
  3. Step 3: Cross multiply
    117,242.33x = 161,793.72 × 66,271.56
  4. Step 4: Simplify right side
    117,242.33x = 10,722,321,615.88
  5. Step 5: Solve for x
    x = 10,722,321,615.88/117,242.33
  6. Step 6: Final answer
    x = 91,454.36

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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.