Home / 107,941.40-161,912.10-94,819.40

Finding the Fourth Proportional to 107,941.40, 161,912.10 and 94,819.40

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Solution

The fourth proportional to 107,941.40, 161,912.10 and 94,819.40 is: 142,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,941.40 : 161,912.10 = 94,819.40 : x
  2. Step 2: Convert to fraction form
    107,941.40/161,912.10 = 94,819.40/x
  3. Step 3: Cross multiply
    107,941.40x = 161,912.10 × 94,819.40
  4. Step 4: Simplify right side
    107,941.40x = 15,352,408,174.74
  5. Step 5: Solve for x
    x = 15,352,408,174.74/107,941.40
  6. Step 6: Final answer
    x = 142,229.10

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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.