Home / 178,749.21-268,123.35-112,236.04

Finding the Fourth Proportional to 178,749.21, 268,123.35 and 112,236.04

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Solution

The fourth proportional to 178,749.21, 268,123.35 and 112,236.04 is: 168,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,749.21 : 268,123.35 = 112,236.04 : x
  2. Step 2: Convert to fraction form
    178,749.21/268,123.35 = 112,236.04/x
  3. Step 3: Cross multiply
    178,749.21x = 268,123.35 × 112,236.04
  4. Step 4: Simplify right side
    178,749.21x = 30,093,104,010.79
  5. Step 5: Solve for x
    x = 30,093,104,010.79/178,749.21
  6. Step 6: Final answer
    x = 168,353.78

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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.