Home / 248,420.82-372,637.35-90,649.22

Finding the Fourth Proportional to 248,420.82, 372,637.35 and 90,649.22

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Solution

The fourth proportional to 248,420.82, 372,637.35 and 90,649.22 is: 135,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,420.82 : 372,637.35 = 90,649.22 : x
  2. Step 2: Convert to fraction form
    248,420.82/372,637.35 = 90,649.22/x
  3. Step 3: Cross multiply
    248,420.82x = 372,637.35 × 90,649.22
  4. Step 4: Simplify right side
    248,420.82x = 33,779,283,257.18
  5. Step 5: Solve for x
    x = 33,779,283,257.18/248,420.82
  6. Step 6: Final answer
    x = 135,976.06

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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.