Home / 110,821.48-166,261.02-31,942.12

Finding the Fourth Proportional to 110,821.48, 166,261.02 and 31,942.12

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Solution

The fourth proportional to 110,821.48, 166,261.02 and 31,942.12 is: 47,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,821.48 : 166,261.02 = 31,942.12 : x
  2. Step 2: Convert to fraction form
    110,821.48/166,261.02 = 31,942.12/x
  3. Step 3: Cross multiply
    110,821.48x = 166,261.02 × 31,942.12
  4. Step 4: Simplify right side
    110,821.48x = 5,310,729,452.16
  5. Step 5: Solve for x
    x = 5,310,729,452.16/110,821.48
  6. Step 6: Final answer
    x = 47,921.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.