Home / 165,189.21-247,783.97-45,237.39

Finding the Fourth Proportional to 165,189.21, 247,783.97 and 45,237.39

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Solution

The fourth proportional to 165,189.21, 247,783.97 and 45,237.39 is: 67,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,189.21 : 247,783.97 = 45,237.39 : x
  2. Step 2: Convert to fraction form
    165,189.21/247,783.97 = 45,237.39/x
  3. Step 3: Cross multiply
    165,189.21x = 247,783.97 × 45,237.39
  4. Step 4: Simplify right side
    165,189.21x = 11,209,100,086.64
  5. Step 5: Solve for x
    x = 11,209,100,086.64/165,189.21
  6. Step 6: Final answer
    x = 67,856.13

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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.