Home / 156,735.80-216,294.74-85,115.24

Finding the Fourth Proportional to 156,735.80, 216,294.74 and 85,115.24

Calculator

Solution

The fourth proportional to 156,735.80, 216,294.74 and 85,115.24 is: 117,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,735.80 : 216,294.74 = 85,115.24 : x
  2. Step 2: Convert to fraction form
    156,735.80/216,294.74 = 85,115.24/x
  3. Step 3: Cross multiply
    156,735.80x = 216,294.74 × 85,115.24
  4. Step 4: Simplify right side
    156,735.80x = 18,409,978,705.84
  5. Step 5: Solve for x
    x = 18,409,978,705.84/156,735.80
  6. Step 6: Final answer
    x = 117,458.67

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.