Home / 205,183.40-307,775.10-160,946.60

Finding the Fourth Proportional to 205,183.40, 307,775.10 and 160,946.60

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Solution

The fourth proportional to 205,183.40, 307,775.10 and 160,946.60 is: 241,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,183.40 : 307,775.10 = 160,946.60 : x
  2. Step 2: Convert to fraction form
    205,183.40/307,775.10 = 160,946.60/x
  3. Step 3: Cross multiply
    205,183.40x = 307,775.10 × 160,946.60
  4. Step 4: Simplify right side
    205,183.40x = 49,535,355,909.66
  5. Step 5: Solve for x
    x = 49,535,355,909.66/205,183.40
  6. Step 6: Final answer
    x = 241,419.90

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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.