Home / 141,272.37-194,966.80-80,861.96

Finding the Fourth Proportional to 141,272.37, 194,966.80 and 80,861.96

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Solution

The fourth proportional to 141,272.37, 194,966.80 and 80,861.96 is: 111,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,272.37 : 194,966.80 = 80,861.96 : x
  2. Step 2: Convert to fraction form
    141,272.37/194,966.80 = 80,861.96/x
  3. Step 3: Cross multiply
    141,272.37x = 194,966.80 × 80,861.96
  4. Step 4: Simplify right side
    141,272.37x = 15,765,397,868.19
  5. Step 5: Solve for x
    x = 15,765,397,868.19/141,272.37
  6. Step 6: Final answer
    x = 111,595.76

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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.