Home / 151,218.85-226,819.09-66,954.46

Finding the Fourth Proportional to 151,218.85, 226,819.09 and 66,954.46

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Solution

The fourth proportional to 151,218.85, 226,819.09 and 66,954.46 is: 100,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,218.85 : 226,819.09 = 66,954.46 : x
  2. Step 2: Convert to fraction form
    151,218.85/226,819.09 = 66,954.46/x
  3. Step 3: Cross multiply
    151,218.85x = 226,819.09 × 66,954.46
  4. Step 4: Simplify right side
    151,218.85x = 15,186,549,688.64
  5. Step 5: Solve for x
    x = 15,186,549,688.64/151,218.85
  6. Step 6: Final answer
    x = 100,427.62

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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.