Home / 197,375.43-272,361.65-111,329.67

Finding the Fourth Proportional to 197,375.43, 272,361.65 and 111,329.67

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Solution

The fourth proportional to 197,375.43, 272,361.65 and 111,329.67 is: 153,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,375.43 : 272,361.65 = 111,329.67 : x
  2. Step 2: Convert to fraction form
    197,375.43/272,361.65 = 111,329.67/x
  3. Step 3: Cross multiply
    197,375.43x = 272,361.65 × 111,329.67
  4. Step 4: Simplify right side
    197,375.43x = 30,321,932,058.51
  5. Step 5: Solve for x
    x = 30,321,932,058.51/197,375.43
  6. Step 6: Final answer
    x = 153,625.67

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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.