Home / 133,843.30-184,683.98-86,161.24

Finding the Fourth Proportional to 133,843.30, 184,683.98 and 86,161.24

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Solution

The fourth proportional to 133,843.30, 184,683.98 and 86,161.24 is: 118,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,843.30 : 184,683.98 = 86,161.24 : x
  2. Step 2: Convert to fraction form
    133,843.30/184,683.98 = 86,161.24/x
  3. Step 3: Cross multiply
    133,843.30x = 184,683.98 × 86,161.24
  4. Step 4: Simplify right side
    133,843.30x = 15,912,600,724.94
  5. Step 5: Solve for x
    x = 15,912,600,724.94/133,843.30
  6. Step 6: Final answer
    x = 118,889.78

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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.