Home / 141,076.42-194,684.92-77,415.28

Finding the Fourth Proportional to 141,076.42, 194,684.92 and 77,415.28

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Solution

The fourth proportional to 141,076.42, 194,684.92 and 77,415.28 is: 106,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,076.42 : 194,684.92 = 77,415.28 : x
  2. Step 2: Convert to fraction form
    141,076.42/194,684.92 = 77,415.28/x
  3. Step 3: Cross multiply
    141,076.42x = 194,684.92 × 77,415.28
  4. Step 4: Simplify right side
    141,076.42x = 15,071,587,593.58
  5. Step 5: Solve for x
    x = 15,071,587,593.58/141,076.42
  6. Step 6: Final answer
    x = 106,832.79

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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.