Home / 215,765.44-323,596.19-66,007.03

Finding the Fourth Proportional to 215,765.44, 323,596.19 and 66,007.03

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Solution

The fourth proportional to 215,765.44, 323,596.19 and 66,007.03 is: 98,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,765.44 : 323,596.19 = 66,007.03 : x
  2. Step 2: Convert to fraction form
    215,765.44/323,596.19 = 66,007.03/x
  3. Step 3: Cross multiply
    215,765.44x = 323,596.19 × 66,007.03
  4. Step 4: Simplify right side
    215,765.44x = 21,359,623,421.22
  5. Step 5: Solve for x
    x = 21,359,623,421.22/215,765.44
  6. Step 6: Final answer
    x = 98,994.65

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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.