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Finding the Fourth Proportional to 184,569.78, 275,843.15 and 134,754.78

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Solution

The fourth proportional to 184,569.78, 275,843.15 and 134,754.78 is: 201,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,569.78 : 275,843.15 = 134,754.78 : x
  2. Step 2: Convert to fraction form
    184,569.78/275,843.15 = 134,754.78/x
  3. Step 3: Cross multiply
    184,569.78x = 275,843.15 × 134,754.78
  4. Step 4: Simplify right side
    184,569.78x = 37,171,182,992.76
  5. Step 5: Solve for x
    x = 37,171,182,992.76/184,569.78
  6. Step 6: Final answer
    x = 201,393.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.