Home / 263,642.05-395,481.52-105,870.50

Finding the Fourth Proportional to 263,642.05, 395,481.52 and 105,870.50

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Solution

The fourth proportional to 263,642.05, 395,481.52 and 105,870.50 is: 158,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,642.05 : 395,481.52 = 105,870.50 : x
  2. Step 2: Convert to fraction form
    263,642.05/395,481.52 = 105,870.50/x
  3. Step 3: Cross multiply
    263,642.05x = 395,481.52 × 105,870.50
  4. Step 4: Simplify right side
    263,642.05x = 41,869,826,263.16
  5. Step 5: Solve for x
    x = 41,869,826,263.16/263,642.05
  6. Step 6: Final answer
    x = 158,813.16

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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.