Home / 141,206.72-194,852.28-79,111.04

Finding the Fourth Proportional to 141,206.72, 194,852.28 and 79,111.04

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Solution

The fourth proportional to 141,206.72, 194,852.28 and 79,111.04 is: 109,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,206.72 : 194,852.28 = 79,111.04 : x
  2. Step 2: Convert to fraction form
    141,206.72/194,852.28 = 79,111.04/x
  3. Step 3: Cross multiply
    141,206.72x = 194,852.28 × 79,111.04
  4. Step 4: Simplify right side
    141,206.72x = 15,414,966,517.17
  5. Step 5: Solve for x
    x = 15,414,966,517.17/141,206.72
  6. Step 6: Final answer
    x = 109,165.96

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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.