Home / 188,831.68-260,529.02-107,146.42

Finding the Fourth Proportional to 188,831.68, 260,529.02 and 107,146.42

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Solution

The fourth proportional to 188,831.68, 260,529.02 and 107,146.42 is: 147,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,831.68 : 260,529.02 = 107,146.42 : x
  2. Step 2: Convert to fraction form
    188,831.68/260,529.02 = 107,146.42/x
  3. Step 3: Cross multiply
    188,831.68x = 260,529.02 × 107,146.42
  4. Step 4: Simplify right side
    188,831.68x = 27,914,751,799.11
  5. Step 5: Solve for x
    x = 27,914,751,799.11/188,831.68
  6. Step 6: Final answer
    x = 147,828.75

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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.