Home / 118,997.40-178,496.72-40,112.32

Finding the Fourth Proportional to 118,997.40, 178,496.72 and 40,112.32

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Solution

The fourth proportional to 118,997.40, 178,496.72 and 40,112.32 is: 60,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,997.40 : 178,496.72 = 40,112.32 : x
  2. Step 2: Convert to fraction form
    118,997.40/178,496.72 = 40,112.32/x
  3. Step 3: Cross multiply
    118,997.40x = 178,496.72 × 40,112.32
  4. Step 4: Simplify right side
    118,997.40x = 7,159,917,551.59
  5. Step 5: Solve for x
    x = 7,159,917,551.59/118,997.40
  6. Step 6: Final answer
    x = 60,168.69

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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.