Home / 192,531.04-288,845.76-74,170.64

Finding the Fourth Proportional to 192,531.04, 288,845.76 and 74,170.64

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Solution

The fourth proportional to 192,531.04, 288,845.76 and 74,170.64 is: 111,274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,531.04 : 288,845.76 = 74,170.64 : x
  2. Step 2: Convert to fraction form
    192,531.04/288,845.76 = 74,170.64/x
  3. Step 3: Cross multiply
    192,531.04x = 288,845.76 × 74,170.64
  4. Step 4: Simplify right side
    192,531.04x = 21,423,874,880.49
  5. Step 5: Solve for x
    x = 21,423,874,880.49/192,531.04
  6. Step 6: Final answer
    x = 111,274.91

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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.