Home / 141,994.94-195,949.86-78,332.72

Finding the Fourth Proportional to 141,994.94, 195,949.86 and 78,332.72

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Solution

The fourth proportional to 141,994.94, 195,949.86 and 78,332.72 is: 108,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,994.94 : 195,949.86 = 78,332.72 : x
  2. Step 2: Convert to fraction form
    141,994.94/195,949.86 = 78,332.72/x
  3. Step 3: Cross multiply
    141,994.94x = 195,949.86 × 78,332.72
  4. Step 4: Simplify right side
    141,994.94x = 15,349,284,537.67
  5. Step 5: Solve for x
    x = 15,349,284,537.67/141,994.94
  6. Step 6: Final answer
    x = 108,097.41

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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.