Home / 215,928.12-323,892.18-115,950.79

Finding the Fourth Proportional to 215,928.12, 323,892.18 and 115,950.79

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Solution

The fourth proportional to 215,928.12, 323,892.18 and 115,950.79 is: 173,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,928.12 : 323,892.18 = 115,950.79 : x
  2. Step 2: Convert to fraction form
    215,928.12/323,892.18 = 115,950.79/x
  3. Step 3: Cross multiply
    215,928.12x = 323,892.18 × 115,950.79
  4. Step 4: Simplify right side
    215,928.12x = 37,555,554,145.82
  5. Step 5: Solve for x
    x = 37,555,554,145.82/215,928.12
  6. Step 6: Final answer
    x = 173,926.19

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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.