Home / 136,974-205,461.06-43,479.75

Finding the Fourth Proportional to 136,974, 205,461.06 and 43,479.75

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Solution

The fourth proportional to 136,974, 205,461.06 and 43,479.75 is: 65,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,974 : 205,461.06 = 43,479.75 : x
  2. Step 2: Convert to fraction form
    136,974/205,461.06 = 43,479.75/x
  3. Step 3: Cross multiply
    136,974x = 205,461.06 × 43,479.75
  4. Step 4: Simplify right side
    136,974x = 8,933,395,523.54
  5. Step 5: Solve for x
    x = 8,933,395,523.54/136,974
  6. Step 6: Final answer
    x = 65,219.64

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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.