Home / 141,786.60-195,663.44-81,355.92

Finding the Fourth Proportional to 141,786.60, 195,663.44 and 81,355.92

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Solution

The fourth proportional to 141,786.60, 195,663.44 and 81,355.92 is: 112,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,786.60 : 195,663.44 = 81,355.92 : x
  2. Step 2: Convert to fraction form
    141,786.60/195,663.44 = 81,355.92/x
  3. Step 3: Cross multiply
    141,786.60x = 195,663.44 × 81,355.92
  4. Step 4: Simplify right side
    141,786.60x = 15,918,379,171.56
  5. Step 5: Solve for x
    x = 15,918,379,171.56/141,786.60
  6. Step 6: Final answer
    x = 112,269.98

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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.