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Finding the Fourth Proportional to 133,468.60, 184,106.60 and 88,146.66

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Solution

The fourth proportional to 133,468.60, 184,106.60 and 88,146.66 is: 121,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,468.60 : 184,106.60 = 88,146.66 : x
  2. Step 2: Convert to fraction form
    133,468.60/184,106.60 = 88,146.66/x
  3. Step 3: Cross multiply
    133,468.60x = 184,106.60 × 88,146.66
  4. Step 4: Simplify right side
    133,468.60x = 16,228,381,873.96
  5. Step 5: Solve for x
    x = 16,228,381,873.96/133,468.60
  6. Step 6: Final answer
    x = 121,589.51

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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.