Home / 215,733.12-323,464.38-65,923.62

Finding the Fourth Proportional to 215,733.12, 323,464.38 and 65,923.62

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Solution

The fourth proportional to 215,733.12, 323,464.38 and 65,923.62 is: 98,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,733.12 : 323,464.38 = 65,923.62 : x
  2. Step 2: Convert to fraction form
    215,733.12/323,464.38 = 65,923.62/x
  3. Step 3: Cross multiply
    215,733.12x = 323,464.38 × 65,923.62
  4. Step 4: Simplify right side
    215,733.12x = 21,323,942,870.66
  5. Step 5: Solve for x
    x = 21,323,942,870.66/215,733.12
  6. Step 6: Final answer
    x = 98,844.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.