Home / 184,939.92-255,217.68-100,057.68

Finding the Fourth Proportional to 184,939.92, 255,217.68 and 100,057.68

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Solution

The fourth proportional to 184,939.92, 255,217.68 and 100,057.68 is: 138,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,939.92 : 255,217.68 = 100,057.68 : x
  2. Step 2: Convert to fraction form
    184,939.92/255,217.68 = 100,057.68/x
  3. Step 3: Cross multiply
    184,939.92x = 255,217.68 × 100,057.68
  4. Step 4: Simplify right side
    184,939.92x = 25,536,488,955.78
  5. Step 5: Solve for x
    x = 25,536,488,955.78/184,939.92
  6. Step 6: Final answer
    x = 138,079.92

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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.