Home / 140,441.40-210,563.67-51,683.37

Finding the Fourth Proportional to 140,441.40, 210,563.67 and 51,683.37

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Solution

The fourth proportional to 140,441.40, 210,563.67 and 51,683.37 is: 77,488.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441.40 : 210,563.67 = 51,683.37 : x
  2. Step 2: Convert to fraction form
    140,441.40/210,563.67 = 51,683.37/x
  3. Step 3: Cross multiply
    140,441.40x = 210,563.67 × 51,683.37
  4. Step 4: Simplify right side
    140,441.40x = 10,882,640,065.17
  5. Step 5: Solve for x
    x = 10,882,640,065.17/140,441.40
  6. Step 6: Final answer
    x = 77,488.83

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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.