Home / 133,640.42-184,372.34-76,282.97

Finding the Fourth Proportional to 133,640.42, 184,372.34 and 76,282.97

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Solution

The fourth proportional to 133,640.42, 184,372.34 and 76,282.97 is: 105,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,640.42 : 184,372.34 = 76,282.97 : x
  2. Step 2: Convert to fraction form
    133,640.42/184,372.34 = 76,282.97/x
  3. Step 3: Cross multiply
    133,640.42x = 184,372.34 × 76,282.97
  4. Step 4: Simplify right side
    133,640.42x = 14,064,468,377.77
  5. Step 5: Solve for x
    x = 14,064,468,377.77/133,640.42
  6. Step 6: Final answer
    x = 105,241.13

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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.