Home / 165,813.20-248,719.80-55,005.20

Finding the Fourth Proportional to 165,813.20, 248,719.80 and 55,005.20

Calculator

Solution

The fourth proportional to 165,813.20, 248,719.80 and 55,005.20 is: 82,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,813.20 : 248,719.80 = 55,005.20 : x
  2. Step 2: Convert to fraction form
    165,813.20/248,719.80 = 55,005.20/x
  3. Step 3: Cross multiply
    165,813.20x = 248,719.80 × 55,005.20
  4. Step 4: Simplify right side
    165,813.20x = 13,680,882,342.96
  5. Step 5: Solve for x
    x = 13,680,882,342.96/165,813.20
  6. Step 6: Final answer
    x = 82,507.80

Related Problems

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.