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Finding the Fourth Proportional to 133,468.61, 184,186.69 and 73,039.26

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Solution

The fourth proportional to 133,468.61, 184,186.69 and 73,039.26 is: 100,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,468.61 : 184,186.69 = 73,039.26 : x
  2. Step 2: Convert to fraction form
    133,468.61/184,186.69 = 73,039.26/x
  3. Step 3: Cross multiply
    133,468.61x = 184,186.69 × 73,039.26
  4. Step 4: Simplify right side
    133,468.61x = 13,452,858,253.32
  5. Step 5: Solve for x
    x = 13,452,858,253.32/133,468.61
  6. Step 6: Final answer
    x = 100,794.17

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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.