Home / 141,687.25-195,529.73-78,025.50

Finding the Fourth Proportional to 141,687.25, 195,529.73 and 78,025.50

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Solution

The fourth proportional to 141,687.25, 195,529.73 and 78,025.50 is: 107,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,687.25 : 195,529.73 = 78,025.50 : x
  2. Step 2: Convert to fraction form
    141,687.25/195,529.73 = 78,025.50/x
  3. Step 3: Cross multiply
    141,687.25x = 195,529.73 × 78,025.50
  4. Step 4: Simplify right side
    141,687.25x = 15,256,304,557.99
  5. Step 5: Solve for x
    x = 15,256,304,557.99/141,687.25
  6. Step 6: Final answer
    x = 107,675.92

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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.