Home / 140,315.28-210,504.24-73,786.80

Finding the Fourth Proportional to 140,315.28, 210,504.24 and 73,786.80

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Solution

The fourth proportional to 140,315.28, 210,504.24 and 73,786.80 is: 110,696.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,315.28 : 210,504.24 = 73,786.80 : x
  2. Step 2: Convert to fraction form
    140,315.28/210,504.24 = 73,786.80/x
  3. Step 3: Cross multiply
    140,315.28x = 210,504.24 × 73,786.80
  4. Step 4: Simplify right side
    140,315.28x = 15,532,434,256.03
  5. Step 5: Solve for x
    x = 15,532,434,256.03/140,315.28
  6. Step 6: Final answer
    x = 110,696.67

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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.