Home / 141,172.10-194,761.94-80,710.26

Finding the Fourth Proportional to 141,172.10, 194,761.94 and 80,710.26

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Solution

The fourth proportional to 141,172.10, 194,761.94 and 80,710.26 is: 111,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,172.10 : 194,761.94 = 80,710.26 : x
  2. Step 2: Convert to fraction form
    141,172.10/194,761.94 = 80,710.26/x
  3. Step 3: Cross multiply
    141,172.10x = 194,761.94 × 80,710.26
  4. Step 4: Simplify right side
    141,172.10x = 15,719,286,815.50
  5. Step 5: Solve for x
    x = 15,719,286,815.50/141,172.10
  6. Step 6: Final answer
    x = 111,348.40

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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.