Home / 218,014.43-300,672.56-141,458.09

Finding the Fourth Proportional to 218,014.43, 300,672.56 and 141,458.09

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Solution

The fourth proportional to 218,014.43, 300,672.56 and 141,458.09 is: 195,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,014.43 : 300,672.56 = 141,458.09 : x
  2. Step 2: Convert to fraction form
    218,014.43/300,672.56 = 141,458.09/x
  3. Step 3: Cross multiply
    218,014.43x = 300,672.56 × 141,458.09
  4. Step 4: Simplify right side
    218,014.43x = 42,532,563,842.36
  5. Step 5: Solve for x
    x = 42,532,563,842.36/218,014.43
  6. Step 6: Final answer
    x = 195,090.59

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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.