Home / 192,746.94-288,964.53-80,513.12

Finding the Fourth Proportional to 192,746.94, 288,964.53 and 80,513.12

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Solution

The fourth proportional to 192,746.94, 288,964.53 and 80,513.12 is: 120,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,746.94 : 288,964.53 = 80,513.12 : x
  2. Step 2: Convert to fraction form
    192,746.94/288,964.53 = 80,513.12/x
  3. Step 3: Cross multiply
    192,746.94x = 288,964.53 × 80,513.12
  4. Step 4: Simplify right side
    192,746.94x = 23,265,434,434.81
  5. Step 5: Solve for x
    x = 23,265,434,434.81/192,746.94
  6. Step 6: Final answer
    x = 120,704.56

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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.