Home / 118,961.52-178,664.16-104,735.04

Finding the Fourth Proportional to 118,961.52, 178,664.16 and 104,735.04

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Solution

The fourth proportional to 118,961.52, 178,664.16 and 104,735.04 is: 157,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,961.52 : 178,664.16 = 104,735.04 : x
  2. Step 2: Convert to fraction form
    118,961.52/178,664.16 = 104,735.04/x
  3. Step 3: Cross multiply
    118,961.52x = 178,664.16 × 104,735.04
  4. Step 4: Simplify right side
    118,961.52x = 18,712,397,944.17
  5. Step 5: Solve for x
    x = 18,712,397,944.17/118,961.52
  6. Step 6: Final answer
    x = 157,297.91

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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.