Home / 171,922.28-258,278.78-122,123.56

Finding the Fourth Proportional to 171,922.28, 258,278.78 and 122,123.56

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Solution

The fourth proportional to 171,922.28, 258,278.78 and 122,123.56 is: 183,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,922.28 : 258,278.78 = 122,123.56 : x
  2. Step 2: Convert to fraction form
    171,922.28/258,278.78 = 122,123.56/x
  3. Step 3: Cross multiply
    171,922.28x = 258,278.78 × 122,123.56
  4. Step 4: Simplify right side
    171,922.28x = 31,541,924,086.06
  5. Step 5: Solve for x
    x = 31,541,924,086.06/171,922.28
  6. Step 6: Final answer
    x = 183,466.18

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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.