Home / 73,430.13-110,145.27-20,122.56

Finding the Fourth Proportional to 73,430.13, 110,145.27 and 20,122.56

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Solution

The fourth proportional to 73,430.13, 110,145.27 and 20,122.56 is: 30,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,430.13 : 110,145.27 = 20,122.56 : x
  2. Step 2: Convert to fraction form
    73,430.13/110,145.27 = 20,122.56/x
  3. Step 3: Cross multiply
    73,430.13x = 110,145.27 × 20,122.56
  4. Step 4: Simplify right side
    73,430.13x = 2,216,404,804.29
  5. Step 5: Solve for x
    x = 2,216,404,804.29/73,430.13
  6. Step 6: Final answer
    x = 30,183.86

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1.5x scale

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.