Home / 120,949.60-181,462.67-54,395.54

Finding the Fourth Proportional to 120,949.60, 181,462.67 and 54,395.54

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Solution

The fourth proportional to 120,949.60, 181,462.67 and 54,395.54 is: 81,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,949.60 : 181,462.67 = 54,395.54 : x
  2. Step 2: Convert to fraction form
    120,949.60/181,462.67 = 54,395.54/x
  3. Step 3: Cross multiply
    120,949.60x = 181,462.67 × 54,395.54
  4. Step 4: Simplify right side
    120,949.60x = 9,870,760,106.17
  5. Step 5: Solve for x
    x = 9,870,760,106.17/120,949.60
  6. Step 6: Final answer
    x = 81,610.52

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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.