Home / 248,389.88-372,588.06-108,143.24

Finding the Fourth Proportional to 248,389.88, 372,588.06 and 108,143.24

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Solution

The fourth proportional to 248,389.88, 372,588.06 and 108,143.24 is: 162,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,389.88 : 372,588.06 = 108,143.24 : x
  2. Step 2: Convert to fraction form
    248,389.88/372,588.06 = 108,143.24/x
  3. Step 3: Cross multiply
    248,389.88x = 372,588.06 × 108,143.24
  4. Step 4: Simplify right side
    248,389.88x = 40,292,879,993.71
  5. Step 5: Solve for x
    x = 40,292,879,993.71/248,389.88
  6. Step 6: Final answer
    x = 162,216.27

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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.