Home / 192,821.04-289,184.37-80,502.19

Finding the Fourth Proportional to 192,821.04, 289,184.37 and 80,502.19

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Solution

The fourth proportional to 192,821.04, 289,184.37 and 80,502.19 is: 120,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,821.04 : 289,184.37 = 80,502.19 : x
  2. Step 2: Convert to fraction form
    192,821.04/289,184.37 = 80,502.19/x
  3. Step 3: Cross multiply
    192,821.04x = 289,184.37 × 80,502.19
  4. Step 4: Simplify right side
    192,821.04x = 23,279,975,460.25
  5. Step 5: Solve for x
    x = 23,279,975,460.25/192,821.04
  6. Step 6: Final answer
    x = 120,733.58

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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.