Home / 141,121.95-194,745.03-76,591.30

Finding the Fourth Proportional to 141,121.95, 194,745.03 and 76,591.30

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Solution

The fourth proportional to 141,121.95, 194,745.03 and 76,591.30 is: 105,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,121.95 : 194,745.03 = 76,591.30 : x
  2. Step 2: Convert to fraction form
    141,121.95/194,745.03 = 76,591.30/x
  3. Step 3: Cross multiply
    141,121.95x = 194,745.03 × 76,591.30
  4. Step 4: Simplify right side
    141,121.95x = 14,915,774,705.82
  5. Step 5: Solve for x
    x = 14,915,774,705.82/141,121.95
  6. Step 6: Final answer
    x = 105,694.22

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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.