Home / 141,462.25-195,214.00-77,800.10

Finding the Fourth Proportional to 141,462.25, 195,214.00 and 77,800.10

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Solution

The fourth proportional to 141,462.25, 195,214.00 and 77,800.10 is: 107,361.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,462.25 : 195,214.00 = 77,800.10 : x
  2. Step 2: Convert to fraction form
    141,462.25/195,214.00 = 77,800.10/x
  3. Step 3: Cross multiply
    141,462.25x = 195,214.00 × 77,800.10
  4. Step 4: Simplify right side
    141,462.25x = 15,187,667,696.70
  5. Step 5: Solve for x
    x = 15,187,667,696.70/141,462.25
  6. Step 6: Final answer
    x = 107,361.99

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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.