Home / 188,961.42-260,761.42-102,918.46

Finding the Fourth Proportional to 188,961.42, 260,761.42 and 102,918.46

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Solution

The fourth proportional to 188,961.42, 260,761.42 and 102,918.46 is: 142,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,961.42 : 260,761.42 = 102,918.46 : x
  2. Step 2: Convert to fraction form
    188,961.42/260,761.42 = 102,918.46/x
  3. Step 3: Cross multiply
    188,961.42x = 260,761.42 × 102,918.46
  4. Step 4: Simplify right side
    188,961.42x = 26,837,163,773.81
  5. Step 5: Solve for x
    x = 26,837,163,773.81/188,961.42
  6. Step 6: Final answer
    x = 142,024.57

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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.