Home / 141,963.30-195,908.94-81,537.84

Finding the Fourth Proportional to 141,963.30, 195,908.94 and 81,537.84

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Solution

The fourth proportional to 141,963.30, 195,908.94 and 81,537.84 is: 112,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,963.30 : 195,908.94 = 81,537.84 : x
  2. Step 2: Convert to fraction form
    141,963.30/195,908.94 = 81,537.84/x
  3. Step 3: Cross multiply
    141,963.30x = 195,908.94 × 81,537.84
  4. Step 4: Simplify right side
    141,963.30x = 15,973,991,804.29
  5. Step 5: Solve for x
    x = 15,973,991,804.29/141,963.30
  6. Step 6: Final answer
    x = 112,521.98

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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.