Home / 188,136.20-259,628.13-107,565.42

Finding the Fourth Proportional to 188,136.20, 259,628.13 and 107,565.42

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Solution

The fourth proportional to 188,136.20, 259,628.13 and 107,565.42 is: 148,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,136.20 : 259,628.13 = 107,565.42 : x
  2. Step 2: Convert to fraction form
    188,136.20/259,628.13 = 107,565.42/x
  3. Step 3: Cross multiply
    188,136.20x = 259,628.13 × 107,565.42
  4. Step 4: Simplify right side
    188,136.20x = 27,927,008,847.26
  5. Step 5: Solve for x
    x = 27,927,008,847.26/188,136.20
  6. Step 6: Final answer
    x = 148,440.38

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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.