Home / 188,725.90-260,441.74-102,684.92

Finding the Fourth Proportional to 188,725.90, 260,441.74 and 102,684.92

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Solution

The fourth proportional to 188,725.90, 260,441.74 and 102,684.92 is: 141,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,725.90 : 260,441.74 = 102,684.92 : x
  2. Step 2: Convert to fraction form
    188,725.90/260,441.74 = 102,684.92/x
  3. Step 3: Cross multiply
    188,725.90x = 260,441.74 × 102,684.92
  4. Step 4: Simplify right side
    188,725.90x = 26,743,439,236.56
  5. Step 5: Solve for x
    x = 26,743,439,236.56/188,725.90
  6. Step 6: Final answer
    x = 141,705.19

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1.5x scale

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.