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Finding the Fourth Proportional to 133,687.92, 184,471.80 and 79,953.36

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Solution

The fourth proportional to 133,687.92, 184,471.80 and 79,953.36 is: 110,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,687.92 : 184,471.80 = 79,953.36 : x
  2. Step 2: Convert to fraction form
    133,687.92/184,471.80 = 79,953.36/x
  3. Step 3: Cross multiply
    133,687.92x = 184,471.80 × 79,953.36
  4. Step 4: Simplify right side
    133,687.92x = 14,749,140,235.25
  5. Step 5: Solve for x
    x = 14,749,140,235.25/133,687.92
  6. Step 6: Final answer
    x = 110,325.15

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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.