Home / 141,057.20-194,646.36-80,615.84

Finding the Fourth Proportional to 141,057.20, 194,646.36 and 80,615.84

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Solution

The fourth proportional to 141,057.20, 194,646.36 and 80,615.84 is: 111,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,057.20 : 194,646.36 = 80,615.84 : x
  2. Step 2: Convert to fraction form
    141,057.20/194,646.36 = 80,615.84/x
  3. Step 3: Cross multiply
    141,057.20x = 194,646.36 × 80,615.84
  4. Step 4: Simplify right side
    141,057.20x = 15,691,579,814.34
  5. Step 5: Solve for x
    x = 15,691,579,814.34/141,057.20
  6. Step 6: Final answer
    x = 111,242.67

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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.