Home / 206,136.60-284,476.64-115,493.28

Finding the Fourth Proportional to 206,136.60, 284,476.64 and 115,493.28

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Solution

The fourth proportional to 206,136.60, 284,476.64 and 115,493.28 is: 159,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,136.60 : 284,476.64 = 115,493.28 : x
  2. Step 2: Convert to fraction form
    206,136.60/284,476.64 = 115,493.28/x
  3. Step 3: Cross multiply
    206,136.60x = 284,476.64 × 115,493.28
  4. Step 4: Simplify right side
    206,136.60x = 32,855,140,236.98
  5. Step 5: Solve for x
    x = 32,855,140,236.98/206,136.60
  6. Step 6: Final answer
    x = 159,385.28

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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.