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Finding the Fourth Proportional to 188,325.54, 259,848.81 and 111,870.42

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Solution

The fourth proportional to 188,325.54, 259,848.81 and 111,870.42 is: 154,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,325.54 : 259,848.81 = 111,870.42 : x
  2. Step 2: Convert to fraction form
    188,325.54/259,848.81 = 111,870.42/x
  3. Step 3: Cross multiply
    188,325.54x = 259,848.81 × 111,870.42
  4. Step 4: Simplify right side
    188,325.54x = 29,069,394,536.77
  5. Step 5: Solve for x
    x = 29,069,394,536.77/188,325.54
  6. Step 6: Final answer
    x = 154,357.15

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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.