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Finding the Fourth Proportional to 101,204.60, 151,806.90 and 48,601.40

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Solution

The fourth proportional to 101,204.60, 151,806.90 and 48,601.40 is: 72,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,204.60 : 151,806.90 = 48,601.40 : x
  2. Step 2: Convert to fraction form
    101,204.60/151,806.90 = 48,601.40/x
  3. Step 3: Cross multiply
    101,204.60x = 151,806.90 × 48,601.40
  4. Step 4: Simplify right side
    101,204.60x = 7,378,027,869.66
  5. Step 5: Solve for x
    x = 7,378,027,869.66/101,204.60
  6. Step 6: Final answer
    x = 72,902.10

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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.