Home / 215,826.58-323,728.32-66,066.94

Finding the Fourth Proportional to 215,826.58, 323,728.32 and 66,066.94

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Solution

The fourth proportional to 215,826.58, 323,728.32 and 66,066.94 is: 99,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,826.58 : 323,728.32 = 66,066.94 : x
  2. Step 2: Convert to fraction form
    215,826.58/323,728.32 = 66,066.94/x
  3. Step 3: Cross multiply
    215,826.58x = 323,728.32 × 66,066.94
  4. Step 4: Simplify right side
    215,826.58x = 21,387,739,493.74
  5. Step 5: Solve for x
    x = 21,387,739,493.74/215,826.58
  6. Step 6: Final answer
    x = 99,096.87

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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.