Home / 204,068.16-281,309.76-143,441.28

Finding the Fourth Proportional to 204,068.16, 281,309.76 and 143,441.28

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Solution

The fourth proportional to 204,068.16, 281,309.76 and 143,441.28 is: 197,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,068.16 : 281,309.76 = 143,441.28 : x
  2. Step 2: Convert to fraction form
    204,068.16/281,309.76 = 143,441.28/x
  3. Step 3: Cross multiply
    204,068.16x = 281,309.76 × 143,441.28
  4. Step 4: Simplify right side
    204,068.16x = 40,351,432,050.89
  5. Step 5: Solve for x
    x = 40,351,432,050.89/204,068.16
  6. Step 6: Final answer
    x = 197,735.07

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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.