Home / 215,733.76-297,713.04-120,238.54

Finding the Fourth Proportional to 215,733.76, 297,713.04 and 120,238.54

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Solution

The fourth proportional to 215,733.76, 297,713.04 and 120,238.54 is: 165,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,733.76 : 297,713.04 = 120,238.54 : x
  2. Step 2: Convert to fraction form
    215,733.76/297,713.04 = 120,238.54/x
  3. Step 3: Cross multiply
    215,733.76x = 297,713.04 × 120,238.54
  4. Step 4: Simplify right side
    215,733.76x = 35,796,581,268.56
  5. Step 5: Solve for x
    x = 35,796,581,268.56/215,733.76
  6. Step 6: Final answer
    x = 165,929.44

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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.