Home / 141,059.30-194,661.84-80,631.26

Finding the Fourth Proportional to 141,059.30, 194,661.84 and 80,631.26

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Solution

The fourth proportional to 141,059.30, 194,661.84 and 80,631.26 is: 111,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,059.30 : 194,661.84 = 80,631.26 : x
  2. Step 2: Convert to fraction form
    141,059.30/194,661.84 = 80,631.26/x
  3. Step 3: Cross multiply
    141,059.30x = 194,661.84 × 80,631.26
  4. Step 4: Simplify right side
    141,059.30x = 15,695,828,717.90
  5. Step 5: Solve for x
    x = 15,695,828,717.90/141,059.30
  6. Step 6: Final answer
    x = 111,271.13

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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.