Home / 188,115.84-259,596.45-106,443.36

Finding the Fourth Proportional to 188,115.84, 259,596.45 and 106,443.36

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Solution

The fourth proportional to 188,115.84, 259,596.45 and 106,443.36 is: 146,889.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,115.84 : 259,596.45 = 106,443.36 : x
  2. Step 2: Convert to fraction form
    188,115.84/259,596.45 = 106,443.36/x
  3. Step 3: Cross multiply
    188,115.84x = 259,596.45 × 106,443.36
  4. Step 4: Simplify right side
    188,115.84x = 27,632,318,382.07
  5. Step 5: Solve for x
    x = 27,632,318,382.07/188,115.84
  6. Step 6: Final answer
    x = 146,889.91

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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.