Home / 188,429.49-260,032.58-103,546.55

Finding the Fourth Proportional to 188,429.49, 260,032.58 and 103,546.55

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Solution

The fourth proportional to 188,429.49, 260,032.58 and 103,546.55 is: 142,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,429.49 : 260,032.58 = 103,546.55 : x
  2. Step 2: Convert to fraction form
    188,429.49/260,032.58 = 103,546.55/x
  3. Step 3: Cross multiply
    188,429.49x = 260,032.58 × 103,546.55
  4. Step 4: Simplify right side
    188,429.49x = 26,925,477,067.25
  5. Step 5: Solve for x
    x = 26,925,477,067.25/188,429.49
  6. Step 6: Final answer
    x = 142,894.18

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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.