Home / 141,799.17-195,680.79-81,368.49

Finding the Fourth Proportional to 141,799.17, 195,680.79 and 81,368.49

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Solution

The fourth proportional to 141,799.17, 195,680.79 and 81,368.49 is: 112,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,799.17 : 195,680.79 = 81,368.49 : x
  2. Step 2: Convert to fraction form
    141,799.17/195,680.79 = 81,368.49/x
  3. Step 3: Cross multiply
    141,799.17x = 195,680.79 × 81,368.49
  4. Step 4: Simplify right side
    141,799.17x = 15,922,250,404.31
  5. Step 5: Solve for x
    x = 15,922,250,404.31/141,799.17
  6. Step 6: Final answer
    x = 112,287.33

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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.