Home / 117,089.10-161,586.87-71,758.32

Finding the Fourth Proportional to 117,089.10, 161,586.87 and 71,758.32

Calculator

Solution

The fourth proportional to 117,089.10, 161,586.87 and 71,758.32 is: 99,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,089.10 : 161,586.87 = 71,758.32 : x
  2. Step 2: Convert to fraction form
    117,089.10/161,586.87 = 71,758.32/x
  3. Step 3: Cross multiply
    117,089.10x = 161,586.87 × 71,758.32
  4. Step 4: Simplify right side
    117,089.10x = 11,595,202,325.26
  5. Step 5: Solve for x
    x = 11,595,202,325.26/117,089.10
  6. Step 6: Final answer
    x = 99,028.88

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.