Home / 188,941.54-283,313.90-70,515.49

Finding the Fourth Proportional to 188,941.54, 283,313.90 and 70,515.49

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Solution

The fourth proportional to 188,941.54, 283,313.90 and 70,515.49 is: 105,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,941.54 : 283,313.90 = 70,515.49 : x
  2. Step 2: Convert to fraction form
    188,941.54/283,313.90 = 70,515.49/x
  3. Step 3: Cross multiply
    188,941.54x = 283,313.90 × 70,515.49
  4. Step 4: Simplify right side
    188,941.54x = 19,978,018,129.73
  5. Step 5: Solve for x
    x = 19,978,018,129.73/188,941.54
  6. Step 6: Final answer
    x = 105,736.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.