Home / 119,104.09-164,253.94-80,920.80

Finding the Fourth Proportional to 119,104.09, 164,253.94 and 80,920.80

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Solution

The fourth proportional to 119,104.09, 164,253.94 and 80,920.80 is: 111,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,104.09 : 164,253.94 = 80,920.80 : x
  2. Step 2: Convert to fraction form
    119,104.09/164,253.94 = 80,920.80/x
  3. Step 3: Cross multiply
    119,104.09x = 164,253.94 × 80,920.80
  4. Step 4: Simplify right side
    119,104.09x = 13,291,560,025.65
  5. Step 5: Solve for x
    x = 13,291,560,025.65/119,104.09
  6. Step 6: Final answer
    x = 111,596.17

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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.