Home / 107,870.20-161,779.38-55,252.60

Finding the Fourth Proportional to 107,870.20, 161,779.38 and 55,252.60

Calculator

Solution

The fourth proportional to 107,870.20, 161,779.38 and 55,252.60 is: 82,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,870.20 : 161,779.38 = 55,252.60 : x
  2. Step 2: Convert to fraction form
    107,870.20/161,779.38 = 55,252.60/x
  3. Step 3: Cross multiply
    107,870.20x = 161,779.38 × 55,252.60
  4. Step 4: Simplify right side
    107,870.20x = 8,938,731,371.39
  5. Step 5: Solve for x
    x = 8,938,731,371.39/107,870.20
  6. Step 6: Final answer
    x = 82,865.62

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.