Home / 215,924.37-323,874.86-66,165.09

Finding the Fourth Proportional to 215,924.37, 323,874.86 and 66,165.09

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Solution

The fourth proportional to 215,924.37, 323,874.86 and 66,165.09 is: 99,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,924.37 : 323,874.86 = 66,165.09 : x
  2. Step 2: Convert to fraction form
    215,924.37/323,874.86 = 66,165.09/x
  3. Step 3: Cross multiply
    215,924.37x = 323,874.86 × 66,165.09
  4. Step 4: Simplify right side
    215,924.37x = 21,429,209,260.64
  5. Step 5: Solve for x
    x = 21,429,209,260.64/215,924.37
  6. Step 6: Final answer
    x = 99,244.05

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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.