Home / 208,729.11-288,073.34-116,883.37

Finding the Fourth Proportional to 208,729.11, 288,073.34 and 116,883.37

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Solution

The fourth proportional to 208,729.11, 288,073.34 and 116,883.37 is: 161,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,729.11 : 288,073.34 = 116,883.37 : x
  2. Step 2: Convert to fraction form
    208,729.11/288,073.34 = 116,883.37/x
  3. Step 3: Cross multiply
    208,729.11x = 288,073.34 × 116,883.37
  4. Step 4: Simplify right side
    208,729.11x = 33,670,981,861.40
  5. Step 5: Solve for x
    x = 33,670,981,861.40/208,729.11
  6. Step 6: Final answer
    x = 161,314.26

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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.