Home / 158,204.34-218,321.79-89,308.29

Finding the Fourth Proportional to 158,204.34, 218,321.79 and 89,308.29

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Solution

The fourth proportional to 158,204.34, 218,321.79 and 89,308.29 is: 123,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,204.34 : 218,321.79 = 89,308.29 : x
  2. Step 2: Convert to fraction form
    158,204.34/218,321.79 = 89,308.29/x
  3. Step 3: Cross multiply
    158,204.34x = 218,321.79 × 89,308.29
  4. Step 4: Simplify right side
    158,204.34x = 19,497,945,734.64
  5. Step 5: Solve for x
    x = 19,497,945,734.64/158,204.34
  6. Step 6: Final answer
    x = 123,245.33

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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.