Home / 188,115.16-259,602.42-103,235.26

Finding the Fourth Proportional to 188,115.16, 259,602.42 and 103,235.26

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Solution

The fourth proportional to 188,115.16, 259,602.42 and 103,235.26 is: 142,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,115.16 : 259,602.42 = 103,235.26 : x
  2. Step 2: Convert to fraction form
    188,115.16/259,602.42 = 103,235.26/x
  3. Step 3: Cross multiply
    188,115.16x = 259,602.42 × 103,235.26
  4. Step 4: Simplify right side
    188,115.16x = 26,800,123,325.33
  5. Step 5: Solve for x
    x = 26,800,123,325.33/188,115.16
  6. Step 6: Final answer
    x = 142,466.58

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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.