Home / 248,414.22-372,627.45-90,642.65

Finding the Fourth Proportional to 248,414.22, 372,627.45 and 90,642.65

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Solution

The fourth proportional to 248,414.22, 372,627.45 and 90,642.65 is: 135,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,414.22 : 372,627.45 = 90,642.65 : x
  2. Step 2: Convert to fraction form
    248,414.22/372,627.45 = 90,642.65/x
  3. Step 3: Cross multiply
    248,414.22x = 372,627.45 × 90,642.65
  4. Step 4: Simplify right side
    248,414.22x = 33,775,937,667.61
  5. Step 5: Solve for x
    x = 33,775,937,667.61/248,414.22
  6. Step 6: Final answer
    x = 135,966.20

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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.