Home / 222,441.89-306,962.73-131,798.43

Finding the Fourth Proportional to 222,441.89, 306,962.73 and 131,798.43

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Solution

The fourth proportional to 222,441.89, 306,962.73 and 131,798.43 is: 181,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,441.89 : 306,962.73 = 131,798.43 : x
  2. Step 2: Convert to fraction form
    222,441.89/306,962.73 = 131,798.43/x
  3. Step 3: Cross multiply
    222,441.89x = 306,962.73 × 131,798.43
  4. Step 4: Simplify right side
    222,441.89x = 40,457,205,882.51
  5. Step 5: Solve for x
    x = 40,457,205,882.51/222,441.89
  6. Step 6: Final answer
    x = 181,877.64

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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.