Home / 209,272.68-313,958.23-65,171.25

Finding the Fourth Proportional to 209,272.68, 313,958.23 and 65,171.25

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Solution

The fourth proportional to 209,272.68, 313,958.23 and 65,171.25 is: 97,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,272.68 : 313,958.23 = 65,171.25 : x
  2. Step 2: Convert to fraction form
    209,272.68/313,958.23 = 65,171.25/x
  3. Step 3: Cross multiply
    209,272.68x = 313,958.23 × 65,171.25
  4. Step 4: Simplify right side
    209,272.68x = 20,461,050,133.96
  5. Step 5: Solve for x
    x = 20,461,050,133.96/209,272.68
  6. Step 6: Final answer
    x = 97,772.20

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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.