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Finding the Fourth Proportional to 101,148.08, 151,765.86 and 38,804

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Solution

The fourth proportional to 101,148.08, 151,765.86 and 38,804 is: 58,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,148.08 : 151,765.86 = 38,804 : x
  2. Step 2: Convert to fraction form
    101,148.08/151,765.86 = 38,804/x
  3. Step 3: Cross multiply
    101,148.08x = 151,765.86 × 38,804
  4. Step 4: Simplify right side
    101,148.08x = 5,889,122,431.44
  5. Step 5: Solve for x
    x = 5,889,122,431.44/101,148.08
  6. Step 6: Final answer
    x = 58,222.78

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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.