Home / 248,616.24-372,956.88-90,918.96

Finding the Fourth Proportional to 248,616.24, 372,956.88 and 90,918.96

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Solution

The fourth proportional to 248,616.24, 372,956.88 and 90,918.96 is: 136,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,616.24 : 372,956.88 = 90,918.96 : x
  2. Step 2: Convert to fraction form
    248,616.24/372,956.88 = 90,918.96/x
  3. Step 3: Cross multiply
    248,616.24x = 372,956.88 × 90,918.96
  4. Step 4: Simplify right side
    248,616.24x = 33,908,851,654.44
  5. Step 5: Solve for x
    x = 33,908,851,654.44/248,616.24
  6. Step 6: Final answer
    x = 136,390.33

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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.