Home / 118,974.36-178,110.93-104,212.11

Finding the Fourth Proportional to 118,974.36, 178,110.93 and 104,212.11

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Solution

The fourth proportional to 118,974.36, 178,110.93 and 104,212.11 is: 156,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,974.36 : 178,110.93 = 104,212.11 : x
  2. Step 2: Convert to fraction form
    118,974.36/178,110.93 = 104,212.11/x
  3. Step 3: Cross multiply
    118,974.36x = 178,110.93 × 104,212.11
  4. Step 4: Simplify right side
    118,974.36x = 18,561,315,829.36
  5. Step 5: Solve for x
    x = 18,561,315,829.36/118,974.36
  6. Step 6: Final answer
    x = 156,011.06

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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.