Home / 188,528.21-260,170.62-102,487.36

Finding the Fourth Proportional to 188,528.21, 260,170.62 and 102,487.36

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Solution

The fourth proportional to 188,528.21, 260,170.62 and 102,487.36 is: 141,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,528.21 : 260,170.62 = 102,487.36 : x
  2. Step 2: Convert to fraction form
    188,528.21/260,170.62 = 102,487.36/x
  3. Step 3: Cross multiply
    188,528.21x = 260,170.62 × 102,487.36
  4. Step 4: Simplify right side
    188,528.21x = 26,664,199,342.94
  5. Step 5: Solve for x
    x = 26,664,199,342.94/188,528.21
  6. Step 6: Final answer
    x = 141,433.47

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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.