Home / 198,431.23-273,730.12-125,705.83

Finding the Fourth Proportional to 198,431.23, 273,730.12 and 125,705.83

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Solution

The fourth proportional to 198,431.23, 273,730.12 and 125,705.83 is: 173,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,431.23 : 273,730.12 = 125,705.83 : x
  2. Step 2: Convert to fraction form
    198,431.23/273,730.12 = 125,705.83/x
  3. Step 3: Cross multiply
    198,431.23x = 273,730.12 × 125,705.83
  4. Step 4: Simplify right side
    198,431.23x = 34,409,471,930.60
  5. Step 5: Solve for x
    x = 34,409,471,930.60/198,431.23
  6. Step 6: Final answer
    x = 173,407.54

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1.5x scale

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.