Home / 200,778.09-277,077.45-110,138.69

Finding the Fourth Proportional to 200,778.09, 277,077.45 and 110,138.69

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Solution

The fourth proportional to 200,778.09, 277,077.45 and 110,138.69 is: 151,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,778.09 : 277,077.45 = 110,138.69 : x
  2. Step 2: Convert to fraction form
    200,778.09/277,077.45 = 110,138.69/x
  3. Step 3: Cross multiply
    200,778.09x = 277,077.45 × 110,138.69
  4. Step 4: Simplify right side
    200,778.09x = 30,516,945,986.15
  5. Step 5: Solve for x
    x = 30,516,945,986.15/200,778.09
  6. Step 6: Final answer
    x = 151,993.41

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1.5x scale

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.