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Finding the Fourth Proportional to 184,168.86, 254,175.51 and 103,599.78

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Solution

The fourth proportional to 184,168.86, 254,175.51 and 103,599.78 is: 142,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,168.86 : 254,175.51 = 103,599.78 : x
  2. Step 2: Convert to fraction form
    184,168.86/254,175.51 = 103,599.78/x
  3. Step 3: Cross multiply
    184,168.86x = 254,175.51 × 103,599.78
  4. Step 4: Simplify right side
    184,168.86x = 26,332,526,917.39
  5. Step 5: Solve for x
    x = 26,332,526,917.39/184,168.86
  6. Step 6: Final answer
    x = 142,980.34

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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.