Home / 215,736.82-297,723.81-120,263.74

Finding the Fourth Proportional to 215,736.82, 297,723.81 and 120,263.74

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Solution

The fourth proportional to 215,736.82, 297,723.81 and 120,263.74 is: 165,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,736.82 : 297,723.81 = 120,263.74 : x
  2. Step 2: Convert to fraction form
    215,736.82/297,723.81 = 120,263.74/x
  3. Step 3: Cross multiply
    215,736.82x = 297,723.81 × 120,263.74
  4. Step 4: Simplify right side
    215,736.82x = 35,805,378,877.65
  5. Step 5: Solve for x
    x = 35,805,378,877.65/215,736.82
  6. Step 6: Final answer
    x = 165,967.86

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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.