Home / 206,487.63-284,954.90-115,845.53

Finding the Fourth Proportional to 206,487.63, 284,954.90 and 115,845.53

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Solution

The fourth proportional to 206,487.63, 284,954.90 and 115,845.53 is: 159,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,487.63 : 284,954.90 = 115,845.53 : x
  2. Step 2: Convert to fraction form
    206,487.63/284,954.90 = 115,845.53/x
  3. Step 3: Cross multiply
    206,487.63x = 284,954.90 × 115,845.53
  4. Step 4: Simplify right side
    206,487.63x = 33,010,749,412.59
  5. Step 5: Solve for x
    x = 33,010,749,412.59/206,487.63
  6. Step 6: Final answer
    x = 159,867.93

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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.