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Finding the Fourth Proportional to 184,063.59, 254,004.68 and 102,390.87

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Solution

The fourth proportional to 184,063.59, 254,004.68 and 102,390.87 is: 141,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,063.59 : 254,004.68 = 102,390.87 : x
  2. Step 2: Convert to fraction form
    184,063.59/254,004.68 = 102,390.87/x
  3. Step 3: Cross multiply
    184,063.59x = 254,004.68 × 102,390.87
  4. Step 4: Simplify right side
    184,063.59x = 26,007,760,169.27
  5. Step 5: Solve for x
    x = 26,007,760,169.27/184,063.59
  6. Step 6: Final answer
    x = 141,297.69

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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.