Home / 192,712.29-288,902.31-74,466.60

Finding the Fourth Proportional to 192,712.29, 288,902.31 and 74,466.60

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Solution

The fourth proportional to 192,712.29, 288,902.31 and 74,466.60 is: 111,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,712.29 : 288,902.31 = 74,466.60 : x
  2. Step 2: Convert to fraction form
    192,712.29/288,902.31 = 74,466.60/x
  3. Step 3: Cross multiply
    192,712.29x = 288,902.31 × 74,466.60
  4. Step 4: Simplify right side
    192,712.29x = 21,513,572,757.85
  5. Step 5: Solve for x
    x = 21,513,572,757.85/192,712.29
  6. Step 6: Final answer
    x = 111,635.71

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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.