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Finding the Fourth Proportional to 101,538.40, 152,199.60 and 48,913.60

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Solution

The fourth proportional to 101,538.40, 152,199.60 and 48,913.60 is: 73,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,538.40 : 152,199.60 = 48,913.60 : x
  2. Step 2: Convert to fraction form
    101,538.40/152,199.60 = 48,913.60/x
  3. Step 3: Cross multiply
    101,538.40x = 152,199.60 × 48,913.60
  4. Step 4: Simplify right side
    101,538.40x = 7,444,630,354.56
  5. Step 5: Solve for x
    x = 7,444,630,354.56/101,538.40
  6. Step 6: Final answer
    x = 73,318.37

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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.