Home / 208,190.96-312,395.76-113,489.04

Finding the Fourth Proportional to 208,190.96, 312,395.76 and 113,489.04

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Solution

The fourth proportional to 208,190.96, 312,395.76 and 113,489.04 is: 170,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,190.96 : 312,395.76 = 113,489.04 : x
  2. Step 2: Convert to fraction form
    208,190.96/312,395.76 = 113,489.04/x
  3. Step 3: Cross multiply
    208,190.96x = 312,395.76 × 113,489.04
  4. Step 4: Simplify right side
    208,190.96x = 35,453,494,902.47
  5. Step 5: Solve for x
    x = 35,453,494,902.47/208,190.96
  6. Step 6: Final answer
    x = 170,293.15

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1.5x scale

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.