Home / 126,944.69-190,420.76-55,830.43

Finding the Fourth Proportional to 126,944.69, 190,420.76 and 55,830.43

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Solution

The fourth proportional to 126,944.69, 190,420.76 and 55,830.43 is: 83,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,944.69 : 190,420.76 = 55,830.43 : x
  2. Step 2: Convert to fraction form
    126,944.69/190,420.76 = 55,830.43/x
  3. Step 3: Cross multiply
    126,944.69x = 190,420.76 × 55,830.43
  4. Step 4: Simplify right side
    126,944.69x = 10,631,272,975.28
  5. Step 5: Solve for x
    x = 10,631,272,975.28/126,944.69
  6. Step 6: Final answer
    x = 83,747.29

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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.