Home / 206,960.31-285,628.82-115,088.69

Finding the Fourth Proportional to 206,960.31, 285,628.82 and 115,088.69

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Solution

The fourth proportional to 206,960.31, 285,628.82 and 115,088.69 is: 158,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,960.31 : 285,628.82 = 115,088.69 : x
  2. Step 2: Convert to fraction form
    206,960.31/285,628.82 = 115,088.69/x
  3. Step 3: Cross multiply
    206,960.31x = 285,628.82 × 115,088.69
  4. Step 4: Simplify right side
    206,960.31x = 32,872,646,858.67
  5. Step 5: Solve for x
    x = 32,872,646,858.67/206,960.31
  6. Step 6: Final answer
    x = 158,835.51

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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.