Home / 136,800.09-205,231.73-43,305.84

Finding the Fourth Proportional to 136,800.09, 205,231.73 and 43,305.84

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Solution

The fourth proportional to 136,800.09, 205,231.73 and 43,305.84 is: 64,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,800.09 : 205,231.73 = 43,305.84 : x
  2. Step 2: Convert to fraction form
    136,800.09/205,231.73 = 43,305.84/x
  3. Step 3: Cross multiply
    136,800.09x = 205,231.73 × 43,305.84
  4. Step 4: Simplify right side
    136,800.09x = 8,887,732,245.77
  5. Step 5: Solve for x
    x = 8,887,732,245.77/136,800.09
  6. Step 6: Final answer
    x = 64,968.76

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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.