Home / 248,439.48-372,665.31-90,667.90

Finding the Fourth Proportional to 248,439.48, 372,665.31 and 90,667.90

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Solution

The fourth proportional to 248,439.48, 372,665.31 and 90,667.90 is: 136,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,439.48 : 372,665.31 = 90,667.90 : x
  2. Step 2: Convert to fraction form
    248,439.48/372,665.31 = 90,667.90/x
  3. Step 3: Cross multiply
    248,439.48x = 372,665.31 × 90,667.90
  4. Step 4: Simplify right side
    248,439.48x = 33,788,781,060.55
  5. Step 5: Solve for x
    x = 33,788,781,060.55/248,439.48
  6. Step 6: Final answer
    x = 136,004.07

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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.