Home / 127,690.32-191,471.40-74,399.52

Finding the Fourth Proportional to 127,690.32, 191,471.40 and 74,399.52

Calculator

Solution

The fourth proportional to 127,690.32, 191,471.40 and 74,399.52 is: 111,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,690.32 : 191,471.40 = 74,399.52 : x
  2. Step 2: Convert to fraction form
    127,690.32/191,471.40 = 74,399.52/x
  3. Step 3: Cross multiply
    127,690.32x = 191,471.40 × 74,399.52
  4. Step 4: Simplify right side
    127,690.32x = 14,245,380,253.73
  5. Step 5: Solve for x
    x = 14,245,380,253.73/127,690.32
  6. Step 6: Final answer
    x = 111,561.94

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.