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Finding the Fourth Proportional to 148,105.60, 222,012.60 and 73,237.30

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Solution

The fourth proportional to 148,105.60, 222,012.60 and 73,237.30 is: 109,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,105.60 : 222,012.60 = 73,237.30 : x
  2. Step 2: Convert to fraction form
    148,105.60/222,012.60 = 73,237.30/x
  3. Step 3: Cross multiply
    148,105.60x = 222,012.60 × 73,237.30
  4. Step 4: Simplify right side
    148,105.60x = 16,259,603,389.98
  5. Step 5: Solve for x
    x = 16,259,603,389.98/148,105.60
  6. Step 6: Final answer
    x = 109,783.85

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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.