Home / 144,945.96-200,035.68-80,435.86

Finding the Fourth Proportional to 144,945.96, 200,035.68 and 80,435.86

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Solution

The fourth proportional to 144,945.96, 200,035.68 and 80,435.86 is: 111,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,945.96 : 200,035.68 = 80,435.86 : x
  2. Step 2: Convert to fraction form
    144,945.96/200,035.68 = 80,435.86/x
  3. Step 3: Cross multiply
    144,945.96x = 200,035.68 × 80,435.86
  4. Step 4: Simplify right side
    144,945.96x = 16,090,041,951.48
  5. Step 5: Solve for x
    x = 16,090,041,951.48/144,945.96
  6. Step 6: Final answer
    x = 111,007.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.