Home / 170,736.60-256,143.30-100,579.80

Finding the Fourth Proportional to 170,736.60, 256,143.30 and 100,579.80

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Solution

The fourth proportional to 170,736.60, 256,143.30 and 100,579.80 is: 150,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,736.60 : 256,143.30 = 100,579.80 : x
  2. Step 2: Convert to fraction form
    170,736.60/256,143.30 = 100,579.80/x
  3. Step 3: Cross multiply
    170,736.60x = 256,143.30 × 100,579.80
  4. Step 4: Simplify right side
    170,736.60x = 25,762,841,885.34
  5. Step 5: Solve for x
    x = 25,762,841,885.34/170,736.60
  6. Step 6: Final answer
    x = 150,892.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.