Home / 111,172.96-166,761.90-40,101.28

Finding the Fourth Proportional to 111,172.96, 166,761.90 and 40,101.28

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Solution

The fourth proportional to 111,172.96, 166,761.90 and 40,101.28 is: 60,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,172.96 : 166,761.90 = 40,101.28 : x
  2. Step 2: Convert to fraction form
    111,172.96/166,761.90 = 40,101.28/x
  3. Step 3: Cross multiply
    111,172.96x = 166,761.90 × 40,101.28
  4. Step 4: Simplify right side
    111,172.96x = 6,687,365,645.23
  5. Step 5: Solve for x
    x = 6,687,365,645.23/111,172.96
  6. Step 6: Final answer
    x = 60,152.81

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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.