Home / 190,511.46-285,745.26-50,281.02

Finding the Fourth Proportional to 190,511.46, 285,745.26 and 50,281.02

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Solution

The fourth proportional to 190,511.46, 285,745.26 and 50,281.02 is: 75,415.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,511.46 : 285,745.26 = 50,281.02 : x
  2. Step 2: Convert to fraction form
    190,511.46/285,745.26 = 50,281.02/x
  3. Step 3: Cross multiply
    190,511.46x = 285,745.26 × 50,281.02
  4. Step 4: Simplify right side
    190,511.46x = 14,367,563,132.97
  5. Step 5: Solve for x
    x = 14,367,563,132.97/190,511.46
  6. Step 6: Final answer
    x = 75,415.74

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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.