Home / 131,213.01-181,098.68-82,177.37

Finding the Fourth Proportional to 131,213.01, 181,098.68 and 82,177.37

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Solution

The fourth proportional to 131,213.01, 181,098.68 and 82,177.37 is: 113,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,213.01 : 181,098.68 = 82,177.37 : x
  2. Step 2: Convert to fraction form
    131,213.01/181,098.68 = 82,177.37/x
  3. Step 3: Cross multiply
    131,213.01x = 181,098.68 × 82,177.37
  4. Step 4: Simplify right side
    131,213.01x = 14,882,211,916.49
  5. Step 5: Solve for x
    x = 14,882,211,916.49/131,213.01
  6. Step 6: Final answer
    x = 113,420.25

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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.