Home / 140,629.44-210,945-57,523.44

Finding the Fourth Proportional to 140,629.44, 210,945 and 57,523.44

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Solution

The fourth proportional to 140,629.44, 210,945 and 57,523.44 is: 86,285.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,629.44 : 210,945 = 57,523.44 : x
  2. Step 2: Convert to fraction form
    140,629.44/210,945 = 57,523.44/x
  3. Step 3: Cross multiply
    140,629.44x = 210,945 × 57,523.44
  4. Step 4: Simplify right side
    140,629.44x = 12,134,282,050.80
  5. Step 5: Solve for x
    x = 12,134,282,050.80/140,629.44
  6. Step 6: Final answer
    x = 86,285.50

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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.