Home / 206,428.44-284,931.74-134,819.60

Finding the Fourth Proportional to 206,428.44, 284,931.74 and 134,819.60

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Solution

The fourth proportional to 206,428.44, 284,931.74 and 134,819.60 is: 186,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,428.44 : 284,931.74 = 134,819.60 : x
  2. Step 2: Convert to fraction form
    206,428.44/284,931.74 = 134,819.60/x
  3. Step 3: Cross multiply
    206,428.44x = 284,931.74 × 134,819.60
  4. Step 4: Simplify right side
    206,428.44x = 38,414,383,214.10
  5. Step 5: Solve for x
    x = 38,414,383,214.10/206,428.44
  6. Step 6: Final answer
    x = 186,090.56

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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.