Home / 109,941.80-151,844.00-74,069.54

Finding the Fourth Proportional to 109,941.80, 151,844.00 and 74,069.54

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Solution

The fourth proportional to 109,941.80, 151,844.00 and 74,069.54 is: 102,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,941.80 : 151,844.00 = 74,069.54 : x
  2. Step 2: Convert to fraction form
    109,941.80/151,844.00 = 74,069.54/x
  3. Step 3: Cross multiply
    109,941.80x = 151,844.00 × 74,069.54
  4. Step 4: Simplify right side
    109,941.80x = 11,247,014,102.19
  5. Step 5: Solve for x
    x = 11,247,014,102.19/109,941.80
  6. Step 6: Final answer
    x = 102,299.71

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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.