Home / 162,664.80-243,997.20-106,857.60

Finding the Fourth Proportional to 162,664.80, 243,997.20 and 106,857.60

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Solution

The fourth proportional to 162,664.80, 243,997.20 and 106,857.60 is: 160,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,664.80 : 243,997.20 = 106,857.60 : x
  2. Step 2: Convert to fraction form
    162,664.80/243,997.20 = 106,857.60/x
  3. Step 3: Cross multiply
    162,664.80x = 243,997.20 × 106,857.60
  4. Step 4: Simplify right side
    162,664.80x = 26,072,955,198.72
  5. Step 5: Solve for x
    x = 26,072,955,198.72/162,664.80
  6. Step 6: Final answer
    x = 160,286.40

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1.5x scale

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.