Home / 141,086.96-194,699.46-77,425.82

Finding the Fourth Proportional to 141,086.96, 194,699.46 and 77,425.82

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Solution

The fourth proportional to 141,086.96, 194,699.46 and 77,425.82 is: 106,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,086.96 : 194,699.46 = 77,425.82 : x
  2. Step 2: Convert to fraction form
    141,086.96/194,699.46 = 77,425.82/x
  3. Step 3: Cross multiply
    141,086.96x = 194,699.46 × 77,425.82
  4. Step 4: Simplify right side
    141,086.96x = 15,074,765,344.06
  5. Step 5: Solve for x
    x = 15,074,765,344.06/141,086.96
  6. Step 6: Final answer
    x = 106,847.33

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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.