Home / 101,293.20-151,888.68-47,969.28

Finding the Fourth Proportional to 101,293.20, 151,888.68 and 47,969.28

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Solution

The fourth proportional to 101,293.20, 151,888.68 and 47,969.28 is: 71,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,293.20 : 151,888.68 = 47,969.28 : x
  2. Step 2: Convert to fraction form
    101,293.20/151,888.68 = 47,969.28/x
  3. Step 3: Cross multiply
    101,293.20x = 151,888.68 × 47,969.28
  4. Step 4: Simplify right side
    101,293.20x = 7,285,990,619.75
  5. Step 5: Solve for x
    x = 7,285,990,619.75/101,293.20
  6. Step 6: Final answer
    x = 71,929.71

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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.