Home / 238,880.16-329,662.44-131,457.96

Finding the Fourth Proportional to 238,880.16, 329,662.44 and 131,457.96

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Solution

The fourth proportional to 238,880.16, 329,662.44 and 131,457.96 is: 181,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,880.16 : 329,662.44 = 131,457.96 : x
  2. Step 2: Convert to fraction form
    238,880.16/329,662.44 = 131,457.96/x
  3. Step 3: Cross multiply
    238,880.16x = 329,662.44 × 131,457.96
  4. Step 4: Simplify right side
    238,880.16x = 43,336,751,851.02
  5. Step 5: Solve for x
    x = 43,336,751,851.02/238,880.16
  6. Step 6: Final answer
    x = 181,416.29

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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.