Home / 206,192.70-309,201.54-73,106.46

Finding the Fourth Proportional to 206,192.70, 309,201.54 and 73,106.46

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Solution

The fourth proportional to 206,192.70, 309,201.54 and 73,106.46 is: 109,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,192.70 : 309,201.54 = 73,106.46 : x
  2. Step 2: Convert to fraction form
    206,192.70/309,201.54 = 73,106.46/x
  3. Step 3: Cross multiply
    206,192.70x = 309,201.54 × 73,106.46
  4. Step 4: Simplify right side
    206,192.70x = 22,604,630,015.95
  5. Step 5: Solve for x
    x = 22,604,630,015.95/206,192.70
  6. Step 6: Final answer
    x = 109,628.66

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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.