Home / 141,519.83-212,255.91-40,310.76

Finding the Fourth Proportional to 141,519.83, 212,255.91 and 40,310.76

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Solution

The fourth proportional to 141,519.83, 212,255.91 and 40,310.76 is: 60,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,519.83 : 212,255.91 = 40,310.76 : x
  2. Step 2: Convert to fraction form
    141,519.83/212,255.91 = 40,310.76/x
  3. Step 3: Cross multiply
    141,519.83x = 212,255.91 × 40,310.76
  4. Step 4: Simplify right side
    141,519.83x = 8,556,197,842.55
  5. Step 5: Solve for x
    x = 8,556,197,842.55/141,519.83
  6. Step 6: Final answer
    x = 60,459.36

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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.