Home / 101,074.06-151,704.47-51,189.22

Finding the Fourth Proportional to 101,074.06, 151,704.47 and 51,189.22

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Solution

The fourth proportional to 101,074.06, 151,704.47 and 51,189.22 is: 76,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,074.06 : 151,704.47 = 51,189.22 : x
  2. Step 2: Convert to fraction form
    101,074.06/151,704.47 = 51,189.22/x
  3. Step 3: Cross multiply
    101,074.06x = 151,704.47 × 51,189.22
  4. Step 4: Simplify right side
    101,074.06x = 7,765,633,489.81
  5. Step 5: Solve for x
    x = 7,765,633,489.81/101,074.06
  6. Step 6: Final answer
    x = 76,831.12

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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.