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Finding the Fourth Proportional to 133,565.48, 184,319.94 and 73,949.48

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Solution

The fourth proportional to 133,565.48, 184,319.94 and 73,949.48 is: 102,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,565.48 : 184,319.94 = 73,949.48 : x
  2. Step 2: Convert to fraction form
    133,565.48/184,319.94 = 73,949.48/x
  3. Step 3: Cross multiply
    133,565.48x = 184,319.94 × 73,949.48
  4. Step 4: Simplify right side
    133,565.48x = 13,630,363,716.63
  5. Step 5: Solve for x
    x = 13,630,363,716.63/133,565.48
  6. Step 6: Final answer
    x = 102,050.05

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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.