Home / 188,529.36-260,172.21-102,488.51

Finding the Fourth Proportional to 188,529.36, 260,172.21 and 102,488.51

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Solution

The fourth proportional to 188,529.36, 260,172.21 and 102,488.51 is: 141,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,529.36 : 260,172.21 = 102,488.51 : x
  2. Step 2: Convert to fraction form
    188,529.36/260,172.21 = 102,488.51/x
  3. Step 3: Cross multiply
    188,529.36x = 260,172.21 × 102,488.51
  4. Step 4: Simplify right side
    188,529.36x = 26,664,660,845.45
  5. Step 5: Solve for x
    x = 26,664,660,845.45/188,529.36
  6. Step 6: Final answer
    x = 141,435.06

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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.