Home / 118,961.65-178,430.32-40,076.56

Finding the Fourth Proportional to 118,961.65, 178,430.32 and 40,076.56

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Solution

The fourth proportional to 118,961.65, 178,430.32 and 40,076.56 is: 60,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,961.65 : 178,430.32 = 40,076.56 : x
  2. Step 2: Convert to fraction form
    118,961.65/178,430.32 = 40,076.56/x
  3. Step 3: Cross multiply
    118,961.65x = 178,430.32 × 40,076.56
  4. Step 4: Simplify right side
    118,961.65x = 7,150,873,425.30
  5. Step 5: Solve for x
    x = 7,150,873,425.30/118,961.65
  6. Step 6: Final answer
    x = 60,110.75

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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.