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Finding the Fourth Proportional to 188,335.58, 259,788 and 111,802.73

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Solution

The fourth proportional to 188,335.58, 259,788 and 111,802.73 is: 154,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,335.58 : 259,788 = 111,802.73 : x
  2. Step 2: Convert to fraction form
    188,335.58/259,788 = 111,802.73/x
  3. Step 3: Cross multiply
    188,335.58x = 259,788 × 111,802.73
  4. Step 4: Simplify right side
    188,335.58x = 29,045,006,971.77
  5. Step 5: Solve for x
    x = 29,045,006,971.77/188,335.58
  6. Step 6: Final answer
    x = 154,219.44

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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.