Home / 188,509.22-260,136.12-103,625.68

Finding the Fourth Proportional to 188,509.22, 260,136.12 and 103,625.68

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Solution

The fourth proportional to 188,509.22, 260,136.12 and 103,625.68 is: 142,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,509.22 : 260,136.12 = 103,625.68 : x
  2. Step 2: Convert to fraction form
    188,509.22/260,136.12 = 103,625.68/x
  3. Step 3: Cross multiply
    188,509.22x = 260,136.12 × 103,625.68
  4. Step 4: Simplify right side
    188,509.22x = 26,956,782,327.56
  5. Step 5: Solve for x
    x = 26,956,782,327.56/188,509.22
  6. Step 6: Final answer
    x = 142,999.81

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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.