Home / 263,637.90-395,475.15-105,866.37

Finding the Fourth Proportional to 263,637.90, 395,475.15 and 105,866.37

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Solution

The fourth proportional to 263,637.90, 395,475.15 and 105,866.37 is: 158,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,637.90 : 395,475.15 = 105,866.37 : x
  2. Step 2: Convert to fraction form
    263,637.90/395,475.15 = 105,866.37/x
  3. Step 3: Cross multiply
    263,637.90x = 395,475.15 × 105,866.37
  4. Step 4: Simplify right side
    263,637.90x = 41,867,518,555.71
  5. Step 5: Solve for x
    x = 41,867,518,555.71/263,637.90
  6. Step 6: Final answer
    x = 158,806.90

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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.