Home / 141,717.25-195,569.85-78,054.94

Finding the Fourth Proportional to 141,717.25, 195,569.85 and 78,054.94

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Solution

The fourth proportional to 141,717.25, 195,569.85 and 78,054.94 is: 107,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,717.25 : 195,569.85 = 78,054.94 : x
  2. Step 2: Convert to fraction form
    141,717.25/195,569.85 = 78,054.94/x
  3. Step 3: Cross multiply
    141,717.25x = 195,569.85 × 78,054.94
  4. Step 4: Simplify right side
    141,717.25x = 15,265,192,907.56
  5. Step 5: Solve for x
    x = 15,265,192,907.56/141,717.25
  6. Step 6: Final answer
    x = 107,715.84

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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.