Home / 125,528.91-173,231.26-68,940.28

Finding the Fourth Proportional to 125,528.91, 173,231.26 and 68,940.28

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Solution

The fourth proportional to 125,528.91, 173,231.26 and 68,940.28 is: 95,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,528.91 : 173,231.26 = 68,940.28 : x
  2. Step 2: Convert to fraction form
    125,528.91/173,231.26 = 68,940.28/x
  3. Step 3: Cross multiply
    125,528.91x = 173,231.26 × 68,940.28
  4. Step 4: Simplify right side
    125,528.91x = 11,942,611,613.34
  5. Step 5: Solve for x
    x = 11,942,611,613.34/125,528.91
  6. Step 6: Final answer
    x = 95,138.34

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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.