Home / 188,775.35-260,515.21-102,735.12

Finding the Fourth Proportional to 188,775.35, 260,515.21 and 102,735.12

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Solution

The fourth proportional to 188,775.35, 260,515.21 and 102,735.12 is: 141,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,775.35 : 260,515.21 = 102,735.12 : x
  2. Step 2: Convert to fraction form
    188,775.35/260,515.21 = 102,735.12/x
  3. Step 3: Cross multiply
    188,775.35x = 260,515.21 × 102,735.12
  4. Step 4: Simplify right side
    188,775.35x = 26,764,061,361.18
  5. Step 5: Solve for x
    x = 26,764,061,361.18/188,775.35
  6. Step 6: Final answer
    x = 141,777.31

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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.