Home / 141,964.60-212,801.10-82,769.80

Finding the Fourth Proportional to 141,964.60, 212,801.10 and 82,769.80

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Solution

The fourth proportional to 141,964.60, 212,801.10 and 82,769.80 is: 124,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,964.60 : 212,801.10 = 82,769.80 : x
  2. Step 2: Convert to fraction form
    141,964.60/212,801.10 = 82,769.80/x
  3. Step 3: Cross multiply
    141,964.60x = 212,801.10 × 82,769.80
  4. Step 4: Simplify right side
    141,964.60x = 17,613,504,486.78
  5. Step 5: Solve for x
    x = 17,613,504,486.78/141,964.60
  6. Step 6: Final answer
    x = 124,069.69

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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.