Home / 149,219.78-223,679.94-69,313.83

Finding the Fourth Proportional to 149,219.78, 223,679.94 and 69,313.83

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Solution

The fourth proportional to 149,219.78, 223,679.94 and 69,313.83 is: 103,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,219.78 : 223,679.94 = 69,313.83 : x
  2. Step 2: Convert to fraction form
    149,219.78/223,679.94 = 69,313.83/x
  3. Step 3: Cross multiply
    149,219.78x = 223,679.94 × 69,313.83
  4. Step 4: Simplify right side
    149,219.78x = 15,504,113,335.57
  5. Step 5: Solve for x
    x = 15,504,113,335.57/149,219.78
  6. Step 6: Final answer
    x = 103,901.20

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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.