Home / 248,331.40-372,503.94-90,677.32

Finding the Fourth Proportional to 248,331.40, 372,503.94 and 90,677.32

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Solution

The fourth proportional to 248,331.40, 372,503.94 and 90,677.32 is: 136,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,331.40 : 372,503.94 = 90,677.32 : x
  2. Step 2: Convert to fraction form
    248,331.40/372,503.94 = 90,677.32/x
  3. Step 3: Cross multiply
    248,331.40x = 372,503.94 × 90,677.32
  4. Step 4: Simplify right side
    248,331.40x = 33,777,658,968.64
  5. Step 5: Solve for x
    x = 33,777,658,968.64/248,331.40
  6. Step 6: Final answer
    x = 136,018.48

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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.