Home / 141,929.35-212,635.68-82,585.11

Finding the Fourth Proportional to 141,929.35, 212,635.68 and 82,585.11

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Solution

The fourth proportional to 141,929.35, 212,635.68 and 82,585.11 is: 123,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,929.35 : 212,635.68 = 82,585.11 : x
  2. Step 2: Convert to fraction form
    141,929.35/212,635.68 = 82,585.11/x
  3. Step 3: Cross multiply
    141,929.35x = 212,635.68 × 82,585.11
  4. Step 4: Simplify right side
    141,929.35x = 17,560,541,022.72
  5. Step 5: Solve for x
    x = 17,560,541,022.72/141,929.35
  6. Step 6: Final answer
    x = 123,727.34

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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.