Home / 155,367.96-214,443.20-109,998.80

Finding the Fourth Proportional to 155,367.96, 214,443.20 and 109,998.80

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Solution

The fourth proportional to 155,367.96, 214,443.20 and 109,998.80 is: 151,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,367.96 : 214,443.20 = 109,998.80 : x
  2. Step 2: Convert to fraction form
    155,367.96/214,443.20 = 109,998.80/x
  3. Step 3: Cross multiply
    155,367.96x = 214,443.20 × 109,998.80
  4. Step 4: Simplify right side
    155,367.96x = 23,588,494,668.16
  5. Step 5: Solve for x
    x = 23,588,494,668.16/155,367.96
  6. Step 6: Final answer
    x = 151,823.42

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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.