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Finding the Fourth Proportional to 133,893.54, 184,740.48 and 77,304.78

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Solution

The fourth proportional to 133,893.54, 184,740.48 and 77,304.78 is: 106,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,893.54 : 184,740.48 = 77,304.78 : x
  2. Step 2: Convert to fraction form
    133,893.54/184,740.48 = 77,304.78/x
  3. Step 3: Cross multiply
    133,893.54x = 184,740.48 × 77,304.78
  4. Step 4: Simplify right side
    133,893.54x = 14,281,322,163.49
  5. Step 5: Solve for x
    x = 14,281,322,163.49/133,893.54
  6. Step 6: Final answer
    x = 106,661.77

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1.5x scale

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.