Home / 205,171.40-307,757.10-160,934.60

Finding the Fourth Proportional to 205,171.40, 307,757.10 and 160,934.60

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Solution

The fourth proportional to 205,171.40, 307,757.10 and 160,934.60 is: 241,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,171.40 : 307,757.10 = 160,934.60 : x
  2. Step 2: Convert to fraction form
    205,171.40/307,757.10 = 160,934.60/x
  3. Step 3: Cross multiply
    205,171.40x = 307,757.10 × 160,934.60
  4. Step 4: Simplify right side
    205,171.40x = 49,528,765,785.66
  5. Step 5: Solve for x
    x = 49,528,765,785.66/205,171.40
  6. Step 6: Final answer
    x = 241,401.90

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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.