Home / 248,389.38-372,587.31-108,142.74

Finding the Fourth Proportional to 248,389.38, 372,587.31 and 108,142.74

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Solution

The fourth proportional to 248,389.38, 372,587.31 and 108,142.74 is: 162,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,389.38 : 372,587.31 = 108,142.74 : x
  2. Step 2: Convert to fraction form
    248,389.38/372,587.31 = 108,142.74/x
  3. Step 3: Cross multiply
    248,389.38x = 372,587.31 × 108,142.74
  4. Step 4: Simplify right side
    248,389.38x = 40,292,612,592.63
  5. Step 5: Solve for x
    x = 40,292,612,592.63/248,389.38
  6. Step 6: Final answer
    x = 162,215.52

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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.