Home / 247,086.95-340,982.03-133,909.70

Finding the Fourth Proportional to 247,086.95, 340,982.03 and 133,909.70

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Solution

The fourth proportional to 247,086.95, 340,982.03 and 133,909.70 is: 184,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,086.95 : 340,982.03 = 133,909.70 : x
  2. Step 2: Convert to fraction form
    247,086.95/340,982.03 = 133,909.70/x
  3. Step 3: Cross multiply
    247,086.95x = 340,982.03 × 133,909.70
  4. Step 4: Simplify right side
    247,086.95x = 45,660,798,968.23
  5. Step 5: Solve for x
    x = 45,660,798,968.23/247,086.95
  6. Step 6: Final answer
    x = 184,796.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.