Home / 215,025.89-322,604.46-109,918.67

Finding the Fourth Proportional to 215,025.89, 322,604.46 and 109,918.67

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Solution

The fourth proportional to 215,025.89, 322,604.46 and 109,918.67 is: 164,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,025.89 : 322,604.46 = 109,918.67 : x
  2. Step 2: Convert to fraction form
    215,025.89/322,604.46 = 109,918.67/x
  3. Step 3: Cross multiply
    215,025.89x = 322,604.46 × 109,918.67
  4. Step 4: Simplify right side
    215,025.89x = 35,460,251,566.25
  5. Step 5: Solve for x
    x = 35,460,251,566.25/215,025.89
  6. Step 6: Final answer
    x = 164,911.55

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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.