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Finding the Fourth Proportional to 185,249.52, 255,641.94 and 104,671.80

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Solution

The fourth proportional to 185,249.52, 255,641.94 and 104,671.80 is: 144,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,249.52 : 255,641.94 = 104,671.80 : x
  2. Step 2: Convert to fraction form
    185,249.52/255,641.94 = 104,671.80/x
  3. Step 3: Cross multiply
    185,249.52x = 255,641.94 × 104,671.80
  4. Step 4: Simplify right side
    185,249.52x = 26,758,502,015.29
  5. Step 5: Solve for x
    x = 26,758,502,015.29/185,249.52
  6. Step 6: Final answer
    x = 144,445.73

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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.