Home / 160,942.44-221,999.52-103,656

Finding the Fourth Proportional to 160,942.44, 221,999.52 and 103,656

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Solution

The fourth proportional to 160,942.44, 221,999.52 and 103,656 is: 142,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,942.44 : 221,999.52 = 103,656 : x
  2. Step 2: Convert to fraction form
    160,942.44/221,999.52 = 103,656/x
  3. Step 3: Cross multiply
    160,942.44x = 221,999.52 × 103,656
  4. Step 4: Simplify right side
    160,942.44x = 23,011,582,245.12
  5. Step 5: Solve for x
    x = 23,011,582,245.12/160,942.44
  6. Step 6: Final answer
    x = 142,980.20

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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.