Home / 141,696.27-195,542.69-78,038.77

Finding the Fourth Proportional to 141,696.27, 195,542.69 and 78,038.77

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Solution

The fourth proportional to 141,696.27, 195,542.69 and 78,038.77 is: 107,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,696.27 : 195,542.69 = 78,038.77 : x
  2. Step 2: Convert to fraction form
    141,696.27/195,542.69 = 78,038.77/x
  3. Step 3: Cross multiply
    141,696.27x = 195,542.69 × 78,038.77
  4. Step 4: Simplify right side
    141,696.27x = 15,259,911,010.09
  5. Step 5: Solve for x
    x = 15,259,911,010.09/141,696.27
  6. Step 6: Final answer
    x = 107,694.51

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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.