Home / 208,949.10-313,350.18-75,806.70

Finding the Fourth Proportional to 208,949.10, 313,350.18 and 75,806.70

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Solution

The fourth proportional to 208,949.10, 313,350.18 and 75,806.70 is: 113,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,949.10 : 313,350.18 = 75,806.70 : x
  2. Step 2: Convert to fraction form
    208,949.10/313,350.18 = 75,806.70/x
  3. Step 3: Cross multiply
    208,949.10x = 313,350.18 × 75,806.70
  4. Step 4: Simplify right side
    208,949.10x = 23,754,043,090.21
  5. Step 5: Solve for x
    x = 23,754,043,090.21/208,949.10
  6. Step 6: Final answer
    x = 113,683.40

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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.