Home / 143,219.52-214,777.44-68,336.64

Finding the Fourth Proportional to 143,219.52, 214,777.44 and 68,336.64

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Solution

The fourth proportional to 143,219.52, 214,777.44 and 68,336.64 is: 102,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,219.52 : 214,777.44 = 68,336.64 : x
  2. Step 2: Convert to fraction form
    143,219.52/214,777.44 = 68,336.64/x
  3. Step 3: Cross multiply
    143,219.52x = 214,777.44 × 68,336.64
  4. Step 4: Simplify right side
    143,219.52x = 14,677,168,597.40
  5. Step 5: Solve for x
    x = 14,677,168,597.40/143,219.52
  6. Step 6: Final answer
    x = 102,480.22

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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.