Home / 193,012.74-289,485.06-74,586.72

Finding the Fourth Proportional to 193,012.74, 289,485.06 and 74,586.72

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Solution

The fourth proportional to 193,012.74, 289,485.06 and 74,586.72 is: 111,866.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,012.74 : 289,485.06 = 74,586.72 : x
  2. Step 2: Convert to fraction form
    193,012.74/289,485.06 = 74,586.72/x
  3. Step 3: Cross multiply
    193,012.74x = 289,485.06 × 74,586.72
  4. Step 4: Simplify right side
    193,012.74x = 21,591,741,114.40
  5. Step 5: Solve for x
    x = 21,591,741,114.40/193,012.74
  6. Step 6: Final answer
    x = 111,866.92

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1.5x scale

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.