Home / 209,617.31-313,967.70-162,107.46

Finding the Fourth Proportional to 209,617.31, 313,967.70 and 162,107.46

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Solution

The fourth proportional to 209,617.31, 313,967.70 and 162,107.46 is: 242,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,617.31 : 313,967.70 = 162,107.46 : x
  2. Step 2: Convert to fraction form
    209,617.31/313,967.70 = 162,107.46/x
  3. Step 3: Cross multiply
    209,617.31x = 313,967.70 × 162,107.46
  4. Step 4: Simplify right side
    209,617.31x = 50,896,506,369.04
  5. Step 5: Solve for x
    x = 50,896,506,369.04/209,617.31
  6. Step 6: Final answer
    x = 242,806.79

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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.