Home / 120,195.83-180,382.34-57,016.14

Finding the Fourth Proportional to 120,195.83, 180,382.34 and 57,016.14

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Solution

The fourth proportional to 120,195.83, 180,382.34 and 57,016.14 is: 85,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,195.83 : 180,382.34 = 57,016.14 : x
  2. Step 2: Convert to fraction form
    120,195.83/180,382.34 = 57,016.14/x
  3. Step 3: Cross multiply
    120,195.83x = 180,382.34 × 57,016.14
  4. Step 4: Simplify right side
    120,195.83x = 10,284,704,465.89
  5. Step 5: Solve for x
    x = 10,284,704,465.89/120,195.83
  6. Step 6: Final answer
    x = 85,566.24

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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.