Home / 133,409.32-200,014.62-80,806.12

Finding the Fourth Proportional to 133,409.32, 200,014.62 and 80,806.12

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Solution

The fourth proportional to 133,409.32, 200,014.62 and 80,806.12 is: 121,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,409.32 : 200,014.62 = 80,806.12 : x
  2. Step 2: Convert to fraction form
    133,409.32/200,014.62 = 80,806.12/x
  3. Step 3: Cross multiply
    133,409.32x = 200,014.62 × 80,806.12
  4. Step 4: Simplify right side
    133,409.32x = 16,162,405,385.47
  5. Step 5: Solve for x
    x = 16,162,405,385.47/133,409.32
  6. Step 6: Final answer
    x = 121,149.00

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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.