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Finding the Fourth Proportional to 199,995.37, 275,997.92 and 119,407.86

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Solution

The fourth proportional to 199,995.37, 275,997.92 and 119,407.86 is: 164,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,995.37 : 275,997.92 = 119,407.86 : x
  2. Step 2: Convert to fraction form
    199,995.37/275,997.92 = 119,407.86/x
  3. Step 3: Cross multiply
    199,995.37x = 275,997.92 × 119,407.86
  4. Step 4: Simplify right side
    199,995.37x = 32,956,320,394.61
  5. Step 5: Solve for x
    x = 32,956,320,394.61/199,995.37
  6. Step 6: Final answer
    x = 164,785.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.