Home / 148,229.10-222,015.60-121,985.10

Finding the Fourth Proportional to 148,229.10, 222,015.60 and 121,985.10

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Solution

The fourth proportional to 148,229.10, 222,015.60 and 121,985.10 is: 182,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,229.10 : 222,015.60 = 121,985.10 : x
  2. Step 2: Convert to fraction form
    148,229.10/222,015.60 = 121,985.10/x
  3. Step 3: Cross multiply
    148,229.10x = 222,015.60 × 121,985.10
  4. Step 4: Simplify right side
    148,229.10x = 27,082,595,167.56
  5. Step 5: Solve for x
    x = 27,082,595,167.56/148,229.10
  6. Step 6: Final answer
    x = 182,707.68

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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.