Home / 215,065.60-322,664.01-109,958.38

Finding the Fourth Proportional to 215,065.60, 322,664.01 and 109,958.38

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Solution

The fourth proportional to 215,065.60, 322,664.01 and 109,958.38 is: 164,971.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,065.60 : 322,664.01 = 109,958.38 : x
  2. Step 2: Convert to fraction form
    215,065.60/322,664.01 = 109,958.38/x
  3. Step 3: Cross multiply
    215,065.60x = 322,664.01 × 109,958.38
  4. Step 4: Simplify right side
    215,065.60x = 35,479,611,823.90
  5. Step 5: Solve for x
    x = 35,479,611,823.90/215,065.60
  6. Step 6: Final answer
    x = 164,971.11

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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.