Home / 192,904.30-289,402.04-80,522.07

Finding the Fourth Proportional to 192,904.30, 289,402.04 and 80,522.07

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Solution

The fourth proportional to 192,904.30, 289,402.04 and 80,522.07 is: 120,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,904.30 : 289,402.04 = 80,522.07 : x
  2. Step 2: Convert to fraction form
    192,904.30/289,402.04 = 80,522.07/x
  3. Step 3: Cross multiply
    192,904.30x = 289,402.04 × 80,522.07
  4. Step 4: Simplify right side
    192,904.30x = 23,303,251,323.02
  5. Step 5: Solve for x
    x = 23,303,251,323.02/192,904.30
  6. Step 6: Final answer
    x = 120,802.14

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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.