Home / 188,105.40-259,585.32-107,534.70

Finding the Fourth Proportional to 188,105.40, 259,585.32 and 107,534.70

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Solution

The fourth proportional to 188,105.40, 259,585.32 and 107,534.70 is: 148,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,105.40 : 259,585.32 = 107,534.70 : x
  2. Step 2: Convert to fraction form
    188,105.40/259,585.32 = 107,534.70/x
  3. Step 3: Cross multiply
    188,105.40x = 259,585.32 × 107,534.70
  4. Step 4: Simplify right side
    188,105.40x = 27,914,429,510.60
  5. Step 5: Solve for x
    x = 27,914,429,510.60/188,105.40
  6. Step 6: Final answer
    x = 148,397.81

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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.