Home / 248,429.16-372,644.19-90,620.91

Finding the Fourth Proportional to 248,429.16, 372,644.19 and 90,620.91

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Solution

The fourth proportional to 248,429.16, 372,644.19 and 90,620.91 is: 135,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,429.16 : 372,644.19 = 90,620.91 : x
  2. Step 2: Convert to fraction form
    248,429.16/372,644.19 = 90,620.91/x
  3. Step 3: Cross multiply
    248,429.16x = 372,644.19 × 90,620.91
  4. Step 4: Simplify right side
    248,429.16x = 33,769,355,604.01
  5. Step 5: Solve for x
    x = 33,769,355,604.01/248,429.16
  6. Step 6: Final answer
    x = 135,931.53

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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.