Home / 156,617.70-235,056.15-72,507.30

Finding the Fourth Proportional to 156,617.70, 235,056.15 and 72,507.30

Calculator

Solution

The fourth proportional to 156,617.70, 235,056.15 and 72,507.30 is: 108,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,617.70 : 235,056.15 = 72,507.30 : x
  2. Step 2: Convert to fraction form
    156,617.70/235,056.15 = 72,507.30/x
  3. Step 3: Cross multiply
    156,617.70x = 235,056.15 × 72,507.30
  4. Step 4: Simplify right side
    156,617.70x = 17,043,286,784.90
  5. Step 5: Solve for x
    x = 17,043,286,784.90/156,617.70
  6. Step 6: Final answer
    x = 108,820.95

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.