Home / 215,938.20-323,669.70-75,624.60

Finding the Fourth Proportional to 215,938.20, 323,669.70 and 75,624.60

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Solution

The fourth proportional to 215,938.20, 323,669.70 and 75,624.60 is: 113,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,938.20 : 323,669.70 = 75,624.60 : x
  2. Step 2: Convert to fraction form
    215,938.20/323,669.70 = 75,624.60/x
  3. Step 3: Cross multiply
    215,938.20x = 323,669.70 × 75,624.60
  4. Step 4: Simplify right side
    215,938.20x = 24,477,391,594.62
  5. Step 5: Solve for x
    x = 24,477,391,594.62/215,938.20
  6. Step 6: Final answer
    x = 113,353.69

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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.