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Finding the Fourth Proportional to 162,455.60, 243,640.20 and 50,135.60

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Solution

The fourth proportional to 162,455.60, 243,640.20 and 50,135.60 is: 75,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,455.60 : 243,640.20 = 50,135.60 : x
  2. Step 2: Convert to fraction form
    162,455.60/243,640.20 = 50,135.60/x
  3. Step 3: Cross multiply
    162,455.60x = 243,640.20 × 50,135.60
  4. Step 4: Simplify right side
    162,455.60x = 12,215,047,611.12
  5. Step 5: Solve for x
    x = 12,215,047,611.12/162,455.60
  6. Step 6: Final answer
    x = 75,190.07

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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.