Home / 101,021.20-151,517.40-34,464.40

Finding the Fourth Proportional to 101,021.20, 151,517.40 and 34,464.40

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Solution

The fourth proportional to 101,021.20, 151,517.40 and 34,464.40 is: 51,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,021.20 : 151,517.40 = 34,464.40 : x
  2. Step 2: Convert to fraction form
    101,021.20/151,517.40 = 34,464.40/x
  3. Step 3: Cross multiply
    101,021.20x = 151,517.40 × 34,464.40
  4. Step 4: Simplify right side
    101,021.20x = 5,221,956,280.56
  5. Step 5: Solve for x
    x = 5,221,956,280.56/101,021.20
  6. Step 6: Final answer
    x = 51,691.69

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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.