Home / 141,882.20-212,564.10-115,443.80

Finding the Fourth Proportional to 141,882.20, 212,564.10 and 115,443.80

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Solution

The fourth proportional to 141,882.20, 212,564.10 and 115,443.80 is: 172,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,882.20 : 212,564.10 = 115,443.80 : x
  2. Step 2: Convert to fraction form
    141,882.20/212,564.10 = 115,443.80/x
  3. Step 3: Cross multiply
    141,882.20x = 212,564.10 × 115,443.80
  4. Step 4: Simplify right side
    141,882.20x = 24,539,207,447.58
  5. Step 5: Solve for x
    x = 24,539,207,447.58/141,882.20
  6. Step 6: Final answer
    x = 172,954.80

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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.