Home / 120,260.27-180,361.23-50,101.31

Finding the Fourth Proportional to 120,260.27, 180,361.23 and 50,101.31

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Solution

The fourth proportional to 120,260.27, 180,361.23 and 50,101.31 is: 75,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,260.27 : 180,361.23 = 50,101.31 : x
  2. Step 2: Convert to fraction form
    120,260.27/180,361.23 = 50,101.31/x
  3. Step 3: Cross multiply
    120,260.27x = 180,361.23 × 50,101.31
  4. Step 4: Simplify right side
    120,260.27x = 9,036,332,994.41
  5. Step 5: Solve for x
    x = 9,036,332,994.41/120,260.27
  6. Step 6: Final answer
    x = 75,139.81

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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.