Home / 206,800.52-285,312.04-135,222.44

Finding the Fourth Proportional to 206,800.52, 285,312.04 and 135,222.44

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Solution

The fourth proportional to 206,800.52, 285,312.04 and 135,222.44 is: 186,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,800.52 : 285,312.04 = 135,222.44 : x
  2. Step 2: Convert to fraction form
    206,800.52/285,312.04 = 135,222.44/x
  3. Step 3: Cross multiply
    206,800.52x = 285,312.04 × 135,222.44
  4. Step 4: Simplify right side
    206,800.52x = 38,580,588,445.56
  5. Step 5: Solve for x
    x = 38,580,588,445.56/206,800.52
  6. Step 6: Final answer
    x = 186,559.44

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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.