Home / 165,112.72-247,670.16-40,453.72

Finding the Fourth Proportional to 165,112.72, 247,670.16 and 40,453.72

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Solution

The fourth proportional to 165,112.72, 247,670.16 and 40,453.72 is: 60,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,112.72 : 247,670.16 = 40,453.72 : x
  2. Step 2: Convert to fraction form
    165,112.72/247,670.16 = 40,453.72/x
  3. Step 3: Cross multiply
    165,112.72x = 247,670.16 × 40,453.72
  4. Step 4: Simplify right side
    165,112.72x = 10,019,179,305.00
  5. Step 5: Solve for x
    x = 10,019,179,305.00/165,112.72
  6. Step 6: Final answer
    x = 60,680.84

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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.