Home / 133,632.09-200,256.31-80,345.84

Finding the Fourth Proportional to 133,632.09, 200,256.31 and 80,345.84

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Solution

The fourth proportional to 133,632.09, 200,256.31 and 80,345.84 is: 120,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,632.09 : 200,256.31 = 80,345.84 : x
  2. Step 2: Convert to fraction form
    133,632.09/200,256.31 = 80,345.84/x
  3. Step 3: Cross multiply
    133,632.09x = 200,256.31 × 80,345.84
  4. Step 4: Simplify right side
    133,632.09x = 16,089,760,039.24
  5. Step 5: Solve for x
    x = 16,089,760,039.24/133,632.09
  6. Step 6: Final answer
    x = 120,403.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.