Home / 147,145.56-220,720.38-41,964.54

Finding the Fourth Proportional to 147,145.56, 220,720.38 and 41,964.54

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Solution

The fourth proportional to 147,145.56, 220,720.38 and 41,964.54 is: 62,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,145.56 : 220,720.38 = 41,964.54 : x
  2. Step 2: Convert to fraction form
    147,145.56/220,720.38 = 41,964.54/x
  3. Step 3: Cross multiply
    147,145.56x = 220,720.38 × 41,964.54
  4. Step 4: Simplify right side
    147,145.56x = 9,262,429,215.33
  5. Step 5: Solve for x
    x = 9,262,429,215.33/147,145.56
  6. Step 6: Final answer
    x = 62,947.39

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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.