Home / 126,751.38-190,313.97-70,701

Finding the Fourth Proportional to 126,751.38, 190,313.97 and 70,701

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Solution

The fourth proportional to 126,751.38, 190,313.97 and 70,701 is: 106,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,751.38 : 190,313.97 = 70,701 : x
  2. Step 2: Convert to fraction form
    126,751.38/190,313.97 = 70,701/x
  3. Step 3: Cross multiply
    126,751.38x = 190,313.97 × 70,701
  4. Step 4: Simplify right side
    126,751.38x = 13,455,387,992.97
  5. Step 5: Solve for x
    x = 13,455,387,992.97/126,751.38
  6. Step 6: Final answer
    x = 106,155.75

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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.