Home / 194,139.79-267,912.36-109,256.85

Finding the Fourth Proportional to 194,139.79, 267,912.36 and 109,256.85

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Solution

The fourth proportional to 194,139.79, 267,912.36 and 109,256.85 is: 150,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,139.79 : 267,912.36 = 109,256.85 : x
  2. Step 2: Convert to fraction form
    194,139.79/267,912.36 = 109,256.85/x
  3. Step 3: Cross multiply
    194,139.79x = 267,912.36 × 109,256.85
  4. Step 4: Simplify right side
    194,139.79x = 29,271,260,529.67
  5. Step 5: Solve for x
    x = 29,271,260,529.67/194,139.79
  6. Step 6: Final answer
    x = 150,774.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.