Home / 140,149.85-210,099.78-51,382.67

Finding the Fourth Proportional to 140,149.85, 210,099.78 and 51,382.67

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Solution

The fourth proportional to 140,149.85, 210,099.78 and 51,382.67 is: 77,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,149.85 : 210,099.78 = 51,382.67 : x
  2. Step 2: Convert to fraction form
    140,149.85/210,099.78 = 51,382.67/x
  3. Step 3: Cross multiply
    140,149.85x = 210,099.78 × 51,382.67
  4. Step 4: Simplify right side
    140,149.85x = 10,795,487,662.81
  5. Step 5: Solve for x
    x = 10,795,487,662.81/140,149.85
  6. Step 6: Final answer
    x = 77,028.18

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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.