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Finding the Fourth Proportional to 184,767.92, 254,980.38 and 99,885

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Solution

The fourth proportional to 184,767.92, 254,980.38 and 99,885 is: 137,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,767.92 : 254,980.38 = 99,885 : x
  2. Step 2: Convert to fraction form
    184,767.92/254,980.38 = 99,885/x
  3. Step 3: Cross multiply
    184,767.92x = 254,980.38 × 99,885
  4. Step 4: Simplify right side
    184,767.92x = 25,468,715,256.30
  5. Step 5: Solve for x
    x = 25,468,715,256.30/184,767.92
  6. Step 6: Final answer
    x = 137,841.65

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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.