Home / 141,829.88-212,674.62-82,680.44

Finding the Fourth Proportional to 141,829.88, 212,674.62 and 82,680.44

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Solution

The fourth proportional to 141,829.88, 212,674.62 and 82,680.44 is: 123,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,829.88 : 212,674.62 = 82,680.44 : x
  2. Step 2: Convert to fraction form
    141,829.88/212,674.62 = 82,680.44/x
  3. Step 3: Cross multiply
    141,829.88x = 212,674.62 × 82,680.44
  4. Step 4: Simplify right side
    141,829.88x = 17,584,031,158.43
  5. Step 5: Solve for x
    x = 17,584,031,158.43/141,829.88
  6. Step 6: Final answer
    x = 123,979.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.