Home / 209,616.31-313,966.20-162,106.46

Finding the Fourth Proportional to 209,616.31, 313,966.20 and 162,106.46

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Solution

The fourth proportional to 209,616.31, 313,966.20 and 162,106.46 is: 242,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,616.31 : 313,966.20 = 162,106.46 : x
  2. Step 2: Convert to fraction form
    209,616.31/313,966.20 = 162,106.46/x
  3. Step 3: Cross multiply
    209,616.31x = 313,966.20 × 162,106.46
  4. Step 4: Simplify right side
    209,616.31x = 50,895,950,767.23
  5. Step 5: Solve for x
    x = 50,895,950,767.23/209,616.31
  6. Step 6: Final answer
    x = 242,805.30

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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.