Home / 215,829.60-297,845.19-120,342.33

Finding the Fourth Proportional to 215,829.60, 297,845.19 and 120,342.33

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Solution

The fourth proportional to 215,829.60, 297,845.19 and 120,342.33 is: 166,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,829.60 : 297,845.19 = 120,342.33 : x
  2. Step 2: Convert to fraction form
    215,829.60/297,845.19 = 120,342.33/x
  3. Step 3: Cross multiply
    215,829.60x = 297,845.19 × 120,342.33
  4. Step 4: Simplify right side
    215,829.60x = 35,843,384,143.89
  5. Step 5: Solve for x
    x = 35,843,384,143.89/215,829.60
  6. Step 6: Final answer
    x = 166,072.61

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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.