Home / 125,519.56-173,216.10-68,929.80

Finding the Fourth Proportional to 125,519.56, 173,216.10 and 68,929.80

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Solution

The fourth proportional to 125,519.56, 173,216.10 and 68,929.80 is: 95,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,519.56 : 173,216.10 = 68,929.80 : x
  2. Step 2: Convert to fraction form
    125,519.56/173,216.10 = 68,929.80/x
  3. Step 3: Cross multiply
    125,519.56x = 173,216.10 × 68,929.80
  4. Step 4: Simplify right side
    125,519.56x = 11,939,751,129.78
  5. Step 5: Solve for x
    x = 11,939,751,129.78/125,519.56
  6. Step 6: Final answer
    x = 95,122.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.