Home / 188,020.68-259,426.58-111,500.90

Finding the Fourth Proportional to 188,020.68, 259,426.58 and 111,500.90

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Solution

The fourth proportional to 188,020.68, 259,426.58 and 111,500.90 is: 153,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,020.68 : 259,426.58 = 111,500.90 : x
  2. Step 2: Convert to fraction form
    188,020.68/259,426.58 = 111,500.90/x
  3. Step 3: Cross multiply
    188,020.68x = 259,426.58 × 111,500.90
  4. Step 4: Simplify right side
    188,020.68x = 28,926,297,153.92
  5. Step 5: Solve for x
    x = 28,926,297,153.92/188,020.68
  6. Step 6: Final answer
    x = 153,846.36

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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.