Home / 188,121.36-259,614.96-103,241.48

Finding the Fourth Proportional to 188,121.36, 259,614.96 and 103,241.48

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Solution

The fourth proportional to 188,121.36, 259,614.96 and 103,241.48 is: 142,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,121.36 : 259,614.96 = 103,241.48 : x
  2. Step 2: Convert to fraction form
    188,121.36/259,614.96 = 103,241.48/x
  3. Step 3: Cross multiply
    188,121.36x = 259,614.96 × 103,241.48
  4. Step 4: Simplify right side
    188,121.36x = 26,803,032,700.54
  5. Step 5: Solve for x
    x = 26,803,032,700.54/188,121.36
  6. Step 6: Final answer
    x = 142,477.35

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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.