Home / 156,728.30-235,092.45-77,996.30

Finding the Fourth Proportional to 156,728.30, 235,092.45 and 77,996.30

Calculator

Solution

The fourth proportional to 156,728.30, 235,092.45 and 77,996.30 is: 116,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,728.30 : 235,092.45 = 77,996.30 : x
  2. Step 2: Convert to fraction form
    156,728.30/235,092.45 = 77,996.30/x
  3. Step 3: Cross multiply
    156,728.30x = 235,092.45 × 77,996.30
  4. Step 4: Simplify right side
    156,728.30x = 18,336,341,257.94
  5. Step 5: Solve for x
    x = 18,336,341,257.94/156,728.30
  6. Step 6: Final answer
    x = 116,994.45

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.