Home / 146,189.46-201,741.39-79,121.46

Finding the Fourth Proportional to 146,189.46, 201,741.39 and 79,121.46

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Solution

The fourth proportional to 146,189.46, 201,741.39 and 79,121.46 is: 109,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,189.46 : 201,741.39 = 79,121.46 : x
  2. Step 2: Convert to fraction form
    146,189.46/201,741.39 = 79,121.46/x
  3. Step 3: Cross multiply
    146,189.46x = 201,741.39 × 79,121.46
  4. Step 4: Simplify right side
    146,189.46x = 15,962,073,319.23
  5. Step 5: Solve for x
    x = 15,962,073,319.23/146,189.46
  6. Step 6: Final answer
    x = 109,187.58

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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.