Home / 141,205.31-194,857.49-76,672.02

Finding the Fourth Proportional to 141,205.31, 194,857.49 and 76,672.02

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Solution

The fourth proportional to 141,205.31, 194,857.49 and 76,672.02 is: 105,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,205.31 : 194,857.49 = 76,672.02 : x
  2. Step 2: Convert to fraction form
    141,205.31/194,857.49 = 76,672.02/x
  3. Step 3: Cross multiply
    141,205.31x = 194,857.49 × 76,672.02
  4. Step 4: Simplify right side
    141,205.31x = 14,940,116,987.07
  5. Step 5: Solve for x
    x = 14,940,116,987.07/141,205.31
  6. Step 6: Final answer
    x = 105,804.22

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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.