Home / 188,831.70-260,528.94-107,146.44

Finding the Fourth Proportional to 188,831.70, 260,528.94 and 107,146.44

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Solution

The fourth proportional to 188,831.70, 260,528.94 and 107,146.44 is: 147,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,831.70 : 260,528.94 = 107,146.44 : x
  2. Step 2: Convert to fraction form
    188,831.70/260,528.94 = 107,146.44/x
  3. Step 3: Cross multiply
    188,831.70x = 260,528.94 × 107,146.44
  4. Step 4: Simplify right side
    188,831.70x = 27,914,748,437.97
  5. Step 5: Solve for x
    x = 27,914,748,437.97/188,831.70
  6. Step 6: Final answer
    x = 147,828.72

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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.