Home / 126,518.97-174,483.09-104,974.60

Finding the Fourth Proportional to 126,518.97, 174,483.09 and 104,974.60

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Solution

The fourth proportional to 126,518.97, 174,483.09 and 104,974.60 is: 144,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,518.97 : 174,483.09 = 104,974.60 : x
  2. Step 2: Convert to fraction form
    126,518.97/174,483.09 = 104,974.60/x
  3. Step 3: Cross multiply
    126,518.97x = 174,483.09 × 104,974.60
  4. Step 4: Simplify right side
    126,518.97x = 18,316,292,579.51
  5. Step 5: Solve for x
    x = 18,316,292,579.51/126,518.97
  6. Step 6: Final answer
    x = 144,771.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.