Home / 180,440.64-248,991.21-107,829.12

Finding the Fourth Proportional to 180,440.64, 248,991.21 and 107,829.12

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Solution

The fourth proportional to 180,440.64, 248,991.21 and 107,829.12 is: 148,794.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,440.64 : 248,991.21 = 107,829.12 : x
  2. Step 2: Convert to fraction form
    180,440.64/248,991.21 = 107,829.12/x
  3. Step 3: Cross multiply
    180,440.64x = 248,991.21 × 107,829.12
  4. Step 4: Simplify right side
    180,440.64x = 26,848,504,116.14
  5. Step 5: Solve for x
    x = 26,848,504,116.14/180,440.64
  6. Step 6: Final answer
    x = 148,794.11

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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.