Home / 165,525.24-248,140.20-137,673.78

Finding the Fourth Proportional to 165,525.24, 248,140.20 and 137,673.78

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Solution

The fourth proportional to 165,525.24, 248,140.20 and 137,673.78 is: 206,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,525.24 : 248,140.20 = 137,673.78 : x
  2. Step 2: Convert to fraction form
    165,525.24/248,140.20 = 137,673.78/x
  3. Step 3: Cross multiply
    165,525.24x = 248,140.20 × 137,673.78
  4. Step 4: Simplify right side
    165,525.24x = 34,162,399,303.96
  5. Step 5: Solve for x
    x = 34,162,399,303.96/165,525.24
  6. Step 6: Final answer
    x = 206,387.86

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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.