Home / 170,974.20-256,898.70-151,728.60

Finding the Fourth Proportional to 170,974.20, 256,898.70 and 151,728.60

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Solution

The fourth proportional to 170,974.20, 256,898.70 and 151,728.60 is: 227,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,974.20 : 256,898.70 = 151,728.60 : x
  2. Step 2: Convert to fraction form
    170,974.20/256,898.70 = 151,728.60/x
  3. Step 3: Cross multiply
    170,974.20x = 256,898.70 × 151,728.60
  4. Step 4: Simplify right side
    170,974.20x = 38,978,880,092.82
  5. Step 5: Solve for x
    x = 38,978,880,092.82/170,974.20
  6. Step 6: Final answer
    x = 227,981.06

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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.