Home / 146,189.56-201,741.48-79,121.56

Finding the Fourth Proportional to 146,189.56, 201,741.48 and 79,121.56

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Solution

The fourth proportional to 146,189.56, 201,741.48 and 79,121.56 is: 109,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,189.56 : 201,741.48 = 79,121.56 : x
  2. Step 2: Convert to fraction form
    146,189.56/201,741.48 = 79,121.56/x
  3. Step 3: Cross multiply
    146,189.56x = 201,741.48 × 79,121.56
  4. Step 4: Simplify right side
    146,189.56x = 15,962,100,614.31
  5. Step 5: Solve for x
    x = 15,962,100,614.31/146,189.56
  6. Step 6: Final answer
    x = 109,187.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.