Home / 141,296.68-194,989.26-77,634.32

Finding the Fourth Proportional to 141,296.68, 194,989.26 and 77,634.32

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Solution

The fourth proportional to 141,296.68, 194,989.26 and 77,634.32 is: 107,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,296.68 : 194,989.26 = 77,634.32 : x
  2. Step 2: Convert to fraction form
    141,296.68/194,989.26 = 77,634.32/x
  3. Step 3: Cross multiply
    141,296.68x = 194,989.26 × 77,634.32
  4. Step 4: Simplify right side
    141,296.68x = 15,137,858,607.40
  5. Step 5: Solve for x
    x = 15,137,858,607.40/141,296.68
  6. Step 6: Final answer
    x = 107,135.27

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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.