Home / 160,983.21-222,179.93-96,455.01

Finding the Fourth Proportional to 160,983.21, 222,179.93 and 96,455.01

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Solution

The fourth proportional to 160,983.21, 222,179.93 and 96,455.01 is: 133,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,983.21 : 222,179.93 = 96,455.01 : x
  2. Step 2: Convert to fraction form
    160,983.21/222,179.93 = 96,455.01/x
  3. Step 3: Cross multiply
    160,983.21x = 222,179.93 × 96,455.01
  4. Step 4: Simplify right side
    160,983.21x = 21,430,367,369.95
  5. Step 5: Solve for x
    x = 21,430,367,369.95/160,983.21
  6. Step 6: Final answer
    x = 133,121.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.