Home / 141,731.33-195,589.49-77,200.36

Finding the Fourth Proportional to 141,731.33, 195,589.49 and 77,200.36

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Solution

The fourth proportional to 141,731.33, 195,589.49 and 77,200.36 is: 106,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,731.33 : 195,589.49 = 77,200.36 : x
  2. Step 2: Convert to fraction form
    141,731.33/195,589.49 = 77,200.36/x
  3. Step 3: Cross multiply
    141,731.33x = 195,589.49 × 77,200.36
  4. Step 4: Simplify right side
    141,731.33x = 15,099,578,165.24
  5. Step 5: Solve for x
    x = 15,099,578,165.24/141,731.33
  6. Step 6: Final answer
    x = 106,536.63

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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.