Home / 143,311.75-214,967.63-49,817.50

Finding the Fourth Proportional to 143,311.75, 214,967.63 and 49,817.50

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Solution

The fourth proportional to 143,311.75, 214,967.63 and 49,817.50 is: 74,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,311.75 : 214,967.63 = 49,817.50 : x
  2. Step 2: Convert to fraction form
    143,311.75/214,967.63 = 49,817.50/x
  3. Step 3: Cross multiply
    143,311.75x = 214,967.63 × 49,817.50
  4. Step 4: Simplify right side
    143,311.75x = 10,709,149,907.53
  5. Step 5: Solve for x
    x = 10,709,149,907.53/143,311.75
  6. Step 6: Final answer
    x = 74,726.25

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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.