Home / 215,822.88-323,722.46-66,063.05

Finding the Fourth Proportional to 215,822.88, 323,722.46 and 66,063.05

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Solution

The fourth proportional to 215,822.88, 323,722.46 and 66,063.05 is: 99,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,822.88 : 323,722.46 = 66,063.05 : x
  2. Step 2: Convert to fraction form
    215,822.88/323,722.46 = 66,063.05/x
  3. Step 3: Cross multiply
    215,822.88x = 323,722.46 × 66,063.05
  4. Step 4: Simplify right side
    215,822.88x = 21,386,091,112.18
  5. Step 5: Solve for x
    x = 21,386,091,112.18/215,822.88
  6. Step 6: Final answer
    x = 99,090.94

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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.