Home / 139,519.13-192,194.72-101,165.97

Finding the Fourth Proportional to 139,519.13, 192,194.72 and 101,165.97

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Solution

The fourth proportional to 139,519.13, 192,194.72 and 101,165.97 is: 139,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519.13 : 192,194.72 = 101,165.97 : x
  2. Step 2: Convert to fraction form
    139,519.13/192,194.72 = 101,165.97/x
  3. Step 3: Cross multiply
    139,519.13x = 192,194.72 × 101,165.97
  4. Step 4: Simplify right side
    139,519.13x = 19,443,563,810.88
  5. Step 5: Solve for x
    x = 19,443,563,810.88/139,519.13
  6. Step 6: Final answer
    x = 139,361.27

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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.