Home / 136,944.96-205,436.88-43,458.72

Finding the Fourth Proportional to 136,944.96, 205,436.88 and 43,458.72

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Solution

The fourth proportional to 136,944.96, 205,436.88 and 43,458.72 is: 65,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,944.96 : 205,436.88 = 43,458.72 : x
  2. Step 2: Convert to fraction form
    136,944.96/205,436.88 = 43,458.72/x
  3. Step 3: Cross multiply
    136,944.96x = 205,436.88 × 43,458.72
  4. Step 4: Simplify right side
    136,944.96x = 8,928,023,845.59
  5. Step 5: Solve for x
    x = 8,928,023,845.59/136,944.96
  6. Step 6: Final answer
    x = 65,194.25

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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.