Home / 142,664.97-213,996.94-42,824.73

Finding the Fourth Proportional to 142,664.97, 213,996.94 and 42,824.73

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Solution

The fourth proportional to 142,664.97, 213,996.94 and 42,824.73 is: 64,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,664.97 : 213,996.94 = 42,824.73 : x
  2. Step 2: Convert to fraction form
    142,664.97/213,996.94 = 42,824.73/x
  3. Step 3: Cross multiply
    142,664.97x = 213,996.94 × 42,824.73
  4. Step 4: Simplify right side
    142,664.97x = 9,164,361,176.33
  5. Step 5: Solve for x
    x = 9,164,361,176.33/142,664.97
  6. Step 6: Final answer
    x = 64,236.94

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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.