Home / 192,904.43-289,402.22-80,522.19

Finding the Fourth Proportional to 192,904.43, 289,402.22 and 80,522.19

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Solution

The fourth proportional to 192,904.43, 289,402.22 and 80,522.19 is: 120,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,904.43 : 289,402.22 = 80,522.19 : x
  2. Step 2: Convert to fraction form
    192,904.43/289,402.22 = 80,522.19/x
  3. Step 3: Cross multiply
    192,904.43x = 289,402.22 × 80,522.19
  4. Step 4: Simplify right side
    192,904.43x = 23,303,300,746.57
  5. Step 5: Solve for x
    x = 23,303,300,746.57/192,904.43
  6. Step 6: Final answer
    x = 120,802.31

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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.