Home / 151,240.69-226,912.34-66,989.53

Finding the Fourth Proportional to 151,240.69, 226,912.34 and 66,989.53

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Solution

The fourth proportional to 151,240.69, 226,912.34 and 66,989.53 is: 100,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,240.69 : 226,912.34 = 66,989.53 : x
  2. Step 2: Convert to fraction form
    151,240.69/226,912.34 = 66,989.53/x
  3. Step 3: Cross multiply
    151,240.69x = 226,912.34 × 66,989.53
  4. Step 4: Simplify right side
    151,240.69x = 15,200,751,007.80
  5. Step 5: Solve for x
    x = 15,200,751,007.80/151,240.69
  6. Step 6: Final answer
    x = 100,507.02

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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.