Home / 208,144.19-311,964.85-101,368.14

Finding the Fourth Proportional to 208,144.19, 311,964.85 and 101,368.14

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Solution

The fourth proportional to 208,144.19, 311,964.85 and 101,368.14 is: 151,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,144.19 : 311,964.85 = 101,368.14 : x
  2. Step 2: Convert to fraction form
    208,144.19/311,964.85 = 101,368.14/x
  3. Step 3: Cross multiply
    208,144.19x = 311,964.85 × 101,368.14
  4. Step 4: Simplify right side
    208,144.19x = 31,623,296,589.88
  5. Step 5: Solve for x
    x = 31,623,296,589.88/208,144.19
  6. Step 6: Final answer
    x = 151,929.76

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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.