Home / 70,243.15-105,198.27-40,273.69

Finding the Fourth Proportional to 70,243.15, 105,198.27 and 40,273.69

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Solution

The fourth proportional to 70,243.15, 105,198.27 and 40,273.69 is: 60,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,243.15 : 105,198.27 = 40,273.69 : x
  2. Step 2: Convert to fraction form
    70,243.15/105,198.27 = 40,273.69/x
  3. Step 3: Cross multiply
    70,243.15x = 105,198.27 × 40,273.69
  4. Step 4: Simplify right side
    70,243.15x = 4,236,722,514.52
  5. Step 5: Solve for x
    x = 4,236,722,514.52/70,243.15
  6. Step 6: Final answer
    x = 60,315.10

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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.