Home / 248,345.20-372,307.20-90,481.60

Finding the Fourth Proportional to 248,345.20, 372,307.20 and 90,481.60

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Solution

The fourth proportional to 248,345.20, 372,307.20 and 90,481.60 is: 135,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,345.20 : 372,307.20 = 90,481.60 : x
  2. Step 2: Convert to fraction form
    248,345.20/372,307.20 = 90,481.60/x
  3. Step 3: Cross multiply
    248,345.20x = 372,307.20 × 90,481.60
  4. Step 4: Simplify right side
    248,345.20x = 33,686,951,147.52
  5. Step 5: Solve for x
    x = 33,686,951,147.52/248,345.20
  6. Step 6: Final answer
    x = 135,645.67

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1.5x scale

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.