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Finding the Fourth Proportional to 133,887.40, 184,766.48 and 73,456.92

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Solution

The fourth proportional to 133,887.40, 184,766.48 and 73,456.92 is: 101,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,887.40 : 184,766.48 = 73,456.92 : x
  2. Step 2: Convert to fraction form
    133,887.40/184,766.48 = 73,456.92/x
  3. Step 3: Cross multiply
    133,887.40x = 184,766.48 × 73,456.92
  4. Step 4: Simplify right side
    133,887.40x = 13,572,376,540.04
  5. Step 5: Solve for x
    x = 13,572,376,540.04/133,887.40
  6. Step 6: Final answer
    x = 101,371.57

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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.