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Finding the Fourth Proportional to 202,055.08, 303,049.92 and 95,438.86

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Solution

The fourth proportional to 202,055.08, 303,049.92 and 95,438.86 is: 143,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,055.08 : 303,049.92 = 95,438.86 : x
  2. Step 2: Convert to fraction form
    202,055.08/303,049.92 = 95,438.86/x
  3. Step 3: Cross multiply
    202,055.08x = 303,049.92 × 95,438.86
  4. Step 4: Simplify right side
    202,055.08x = 28,922,738,887.89
  5. Step 5: Solve for x
    x = 28,922,738,887.89/202,055.08
  6. Step 6: Final answer
    x = 143,142.84

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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.