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Finding the Fourth Proportional to 133,374.44, 184,054.20 and 72,941.96

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Solution

The fourth proportional to 133,374.44, 184,054.20 and 72,941.96 is: 100,658.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,374.44 : 184,054.20 = 72,941.96 : x
  2. Step 2: Convert to fraction form
    133,374.44/184,054.20 = 72,941.96/x
  3. Step 3: Cross multiply
    133,374.44x = 184,054.20 × 72,941.96
  4. Step 4: Simplify right side
    133,374.44x = 13,425,274,094.23
  5. Step 5: Solve for x
    x = 13,425,274,094.23/133,374.44
  6. Step 6: Final answer
    x = 100,658.52

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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.