Home / 141,422.36-195,166.29-76,895.38

Finding the Fourth Proportional to 141,422.36, 195,166.29 and 76,895.38

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Solution

The fourth proportional to 141,422.36, 195,166.29 and 76,895.38 is: 106,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,422.36 : 195,166.29 = 76,895.38 : x
  2. Step 2: Convert to fraction form
    141,422.36/195,166.29 = 76,895.38/x
  3. Step 3: Cross multiply
    141,422.36x = 195,166.29 × 76,895.38
  4. Step 4: Simplify right side
    141,422.36x = 15,007,384,818.44
  5. Step 5: Solve for x
    x = 15,007,384,818.44/141,422.36
  6. Step 6: Final answer
    x = 106,117.49

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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.