Home / 208,945.38-288,344.62-119,521.38

Finding the Fourth Proportional to 208,945.38, 288,344.62 and 119,521.38

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Solution

The fourth proportional to 208,945.38, 288,344.62 and 119,521.38 is: 164,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,945.38 : 288,344.62 = 119,521.38 : x
  2. Step 2: Convert to fraction form
    208,945.38/288,344.62 = 119,521.38/x
  3. Step 3: Cross multiply
    208,945.38x = 288,344.62 × 119,521.38
  4. Step 4: Simplify right side
    208,945.38x = 34,463,345,157.45
  5. Step 5: Solve for x
    x = 34,463,345,157.45/208,945.38
  6. Step 6: Final answer
    x = 164,939.50

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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.