Home / 247,987.50-372,086.61-135,536.36

Finding the Fourth Proportional to 247,987.50, 372,086.61 and 135,536.36

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Solution

The fourth proportional to 247,987.50, 372,086.61 and 135,536.36 is: 203,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,987.50 : 372,086.61 = 135,536.36 : x
  2. Step 2: Convert to fraction form
    247,987.50/372,086.61 = 135,536.36/x
  3. Step 3: Cross multiply
    247,987.50x = 372,086.61 × 135,536.36
  4. Step 4: Simplify right side
    247,987.50x = 50,431,264,724.14
  5. Step 5: Solve for x
    x = 50,431,264,724.14/247,987.50
  6. Step 6: Final answer
    x = 203,362.12

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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.