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Finding the Fourth Proportional to 133,706.92, 184,515.58 and 73,279.96

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Solution

The fourth proportional to 133,706.92, 184,515.58 and 73,279.96 is: 101,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,706.92 : 184,515.58 = 73,279.96 : x
  2. Step 2: Convert to fraction form
    133,706.92/184,515.58 = 73,279.96/x
  3. Step 3: Cross multiply
    133,706.92x = 184,515.58 × 73,279.96
  4. Step 4: Simplify right side
    133,706.92x = 13,521,294,321.78
  5. Step 5: Solve for x
    x = 13,521,294,321.78/133,706.92
  6. Step 6: Final answer
    x = 101,126.36

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1.5x scale

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.