Home / 149,924.62-206,890.35-81,941.03

Finding the Fourth Proportional to 149,924.62, 206,890.35 and 81,941.03

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Solution

The fourth proportional to 149,924.62, 206,890.35 and 81,941.03 is: 113,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,924.62 : 206,890.35 = 81,941.03 : x
  2. Step 2: Convert to fraction form
    149,924.62/206,890.35 = 81,941.03/x
  3. Step 3: Cross multiply
    149,924.62x = 206,890.35 × 81,941.03
  4. Step 4: Simplify right side
    149,924.62x = 16,952,809,434.85
  5. Step 5: Solve for x
    x = 16,952,809,434.85/149,924.62
  6. Step 6: Final answer
    x = 113,075.56

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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.