Home / 118,987.54-178,481.93-40,102.45

Finding the Fourth Proportional to 118,987.54, 178,481.93 and 40,102.45

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Solution

The fourth proportional to 118,987.54, 178,481.93 and 40,102.45 is: 60,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,987.54 : 178,481.93 = 40,102.45 : x
  2. Step 2: Convert to fraction form
    118,987.54/178,481.93 = 40,102.45/x
  3. Step 3: Cross multiply
    118,987.54x = 178,481.93 × 40,102.45
  4. Step 4: Simplify right side
    118,987.54x = 7,157,562,027.01
  5. Step 5: Solve for x
    x = 7,157,562,027.01/118,987.54
  6. Step 6: Final answer
    x = 60,153.88

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1.5x scale

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.