Home / 215,431.92-323,295.50-75,190.55

Finding the Fourth Proportional to 215,431.92, 323,295.50 and 75,190.55

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Solution

The fourth proportional to 215,431.92, 323,295.50 and 75,190.55 is: 112,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,431.92 : 323,295.50 = 75,190.55 : x
  2. Step 2: Convert to fraction form
    215,431.92/323,295.50 = 75,190.55/x
  3. Step 3: Cross multiply
    215,431.92x = 323,295.50 × 75,190.55
  4. Step 4: Simplify right side
    215,431.92x = 24,308,765,029.02
  5. Step 5: Solve for x
    x = 24,308,765,029.02/215,431.92
  6. Step 6: Final answer
    x = 112,837.34

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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.