Home / 215,942.20-297,998.26-119,146.94

Finding the Fourth Proportional to 215,942.20, 297,998.26 and 119,146.94

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Solution

The fourth proportional to 215,942.20, 297,998.26 and 119,146.94 is: 164,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,942.20 : 297,998.26 = 119,146.94 : x
  2. Step 2: Convert to fraction form
    215,942.20/297,998.26 = 119,146.94/x
  3. Step 3: Cross multiply
    215,942.20x = 297,998.26 × 119,146.94
  4. Step 4: Simplify right side
    215,942.20x = 35,505,580,804.32
  5. Step 5: Solve for x
    x = 35,505,580,804.32/215,942.20
  6. Step 6: Final answer
    x = 164,421.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.