Home / 143,259.57-214,988.07-49,765.32

Finding the Fourth Proportional to 143,259.57, 214,988.07 and 49,765.32

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Solution

The fourth proportional to 143,259.57, 214,988.07 and 49,765.32 is: 74,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,259.57 : 214,988.07 = 49,765.32 : x
  2. Step 2: Convert to fraction form
    143,259.57/214,988.07 = 49,765.32/x
  3. Step 3: Cross multiply
    143,259.57x = 214,988.07 × 49,765.32
  4. Step 4: Simplify right side
    143,259.57x = 10,698,950,099.73
  5. Step 5: Solve for x
    x = 10,698,950,099.73/143,259.57
  6. Step 6: Final answer
    x = 74,682.27

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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.