Home / 233,214.09-321,851.78-131,249.36

Finding the Fourth Proportional to 233,214.09, 321,851.78 and 131,249.36

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Solution

The fourth proportional to 233,214.09, 321,851.78 and 131,249.36 is: 181,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,214.09 : 321,851.78 = 131,249.36 : x
  2. Step 2: Convert to fraction form
    233,214.09/321,851.78 = 131,249.36/x
  3. Step 3: Cross multiply
    233,214.09x = 321,851.78 × 131,249.36
  4. Step 4: Simplify right side
    233,214.09x = 42,242,840,780.43
  5. Step 5: Solve for x
    x = 42,242,840,780.43/233,214.09
  6. Step 6: Final answer
    x = 181,133.32

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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.