Home / 147,450.26-203,475.39-90,185.49

Finding the Fourth Proportional to 147,450.26, 203,475.39 and 90,185.49

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Solution

The fourth proportional to 147,450.26, 203,475.39 and 90,185.49 is: 124,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,450.26 : 203,475.39 = 90,185.49 : x
  2. Step 2: Convert to fraction form
    147,450.26/203,475.39 = 90,185.49/x
  3. Step 3: Cross multiply
    147,450.26x = 203,475.39 × 90,185.49
  4. Step 4: Simplify right side
    147,450.26x = 18,350,527,750.09
  5. Step 5: Solve for x
    x = 18,350,527,750.09/147,450.26
  6. Step 6: Final answer
    x = 124,452.33

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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.