Home / 143,274.85-214,616.93-83,930.60

Finding the Fourth Proportional to 143,274.85, 214,616.93 and 83,930.60

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Solution

The fourth proportional to 143,274.85, 214,616.93 and 83,930.60 is: 125,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,274.85 : 214,616.93 = 83,930.60 : x
  2. Step 2: Convert to fraction form
    143,274.85/214,616.93 = 83,930.60/x
  3. Step 3: Cross multiply
    143,274.85x = 214,616.93 × 83,930.60
  4. Step 4: Simplify right side
    143,274.85x = 18,012,927,821.95
  5. Step 5: Solve for x
    x = 18,012,927,821.95/143,274.85
  6. Step 6: Final answer
    x = 125,722.89

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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.