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Finding the Fourth Proportional to 101,554.66, 152,241.60 and 48,213.73

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Solution

The fourth proportional to 101,554.66, 152,241.60 and 48,213.73 is: 72,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,554.66 : 152,241.60 = 48,213.73 : x
  2. Step 2: Convert to fraction form
    101,554.66/152,241.60 = 48,213.73/x
  3. Step 3: Cross multiply
    101,554.66x = 152,241.60 × 48,213.73
  4. Step 4: Simplify right side
    101,554.66x = 7,340,134,635.96
  5. Step 5: Solve for x
    x = 7,340,134,635.96/101,554.66
  6. Step 6: Final answer
    x = 72,277.68

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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.