Home / 209,130.22-313,438.35-96,658.28

Finding the Fourth Proportional to 209,130.22, 313,438.35 and 96,658.28

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Solution

The fourth proportional to 209,130.22, 313,438.35 and 96,658.28 is: 144,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,130.22 : 313,438.35 = 96,658.28 : x
  2. Step 2: Convert to fraction form
    209,130.22/313,438.35 = 96,658.28/x
  3. Step 3: Cross multiply
    209,130.22x = 313,438.35 × 96,658.28
  4. Step 4: Simplify right side
    209,130.22x = 30,296,410,229.85
  5. Step 5: Solve for x
    x = 30,296,410,229.85/209,130.22
  6. Step 6: Final answer
    x = 144,868.64

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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.