Home / 149,481.35-206,289.23-89,043.74

Finding the Fourth Proportional to 149,481.35, 206,289.23 and 89,043.74

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Solution

The fourth proportional to 149,481.35, 206,289.23 and 89,043.74 is: 122,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,481.35 : 206,289.23 = 89,043.74 : x
  2. Step 2: Convert to fraction form
    149,481.35/206,289.23 = 89,043.74/x
  3. Step 3: Cross multiply
    149,481.35x = 206,289.23 × 89,043.74
  4. Step 4: Simplify right side
    149,481.35x = 18,368,763,084.26
  5. Step 5: Solve for x
    x = 18,368,763,084.26/149,481.35
  6. Step 6: Final answer
    x = 122,883.31

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1.5x scale

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.