Home / 215,734.94-297,724.40-120,242.33

Finding the Fourth Proportional to 215,734.94, 297,724.40 and 120,242.33

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Solution

The fourth proportional to 215,734.94, 297,724.40 and 120,242.33 is: 165,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,734.94 : 297,724.40 = 120,242.33 : x
  2. Step 2: Convert to fraction form
    215,734.94/297,724.40 = 120,242.33/x
  3. Step 3: Cross multiply
    215,734.94x = 297,724.40 × 120,242.33
  4. Step 4: Simplify right side
    215,734.94x = 35,799,073,914.93
  5. Step 5: Solve for x
    x = 35,799,073,914.93/215,734.94
  6. Step 6: Final answer
    x = 165,940.09

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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.