Home / 147,644.37-203,685.33-90,286.19

Finding the Fourth Proportional to 147,644.37, 203,685.33 and 90,286.19

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Solution

The fourth proportional to 147,644.37, 203,685.33 and 90,286.19 is: 124,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,644.37 : 203,685.33 = 90,286.19 : x
  2. Step 2: Convert to fraction form
    147,644.37/203,685.33 = 90,286.19/x
  3. Step 3: Cross multiply
    147,644.37x = 203,685.33 × 90,286.19
  4. Step 4: Simplify right side
    147,644.37x = 18,389,973,634.29
  5. Step 5: Solve for x
    x = 18,389,973,634.29/147,644.37
  6. Step 6: Final answer
    x = 124,555.87

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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.