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Finding the Fourth Proportional to 184,458.10, 254,549.64 and 103,893.61

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Solution

The fourth proportional to 184,458.10, 254,549.64 and 103,893.61 is: 143,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,458.10 : 254,549.64 = 103,893.61 : x
  2. Step 2: Convert to fraction form
    184,458.10/254,549.64 = 103,893.61/x
  3. Step 3: Cross multiply
    184,458.10x = 254,549.64 × 103,893.61
  4. Step 4: Simplify right side
    184,458.10x = 26,446,081,023.80
  5. Step 5: Solve for x
    x = 26,446,081,023.80/184,458.10
  6. Step 6: Final answer
    x = 143,371.75

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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.