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Finding the Fourth Proportional to 183,573.18, 275,355.72 and 75,479.76

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Solution

The fourth proportional to 183,573.18, 275,355.72 and 75,479.76 is: 113,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,573.18 : 275,355.72 = 75,479.76 : x
  2. Step 2: Convert to fraction form
    183,573.18/275,355.72 = 75,479.76/x
  3. Step 3: Cross multiply
    183,573.18x = 275,355.72 × 75,479.76
  4. Step 4: Simplify right side
    183,573.18x = 20,783,783,660.23
  5. Step 5: Solve for x
    x = 20,783,783,660.23/183,573.18
  6. Step 6: Final answer
    x = 113,217.97

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1.5x scale

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.