Home / 102,050.28-140,831.46-56,729.97

Finding the Fourth Proportional to 102,050.28, 140,831.46 and 56,729.97

Calculator

Solution

The fourth proportional to 102,050.28, 140,831.46 and 56,729.97 is: 78,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,050.28 : 140,831.46 = 56,729.97 : x
  2. Step 2: Convert to fraction form
    102,050.28/140,831.46 = 56,729.97/x
  3. Step 3: Cross multiply
    102,050.28x = 140,831.46 × 56,729.97
  4. Step 4: Simplify right side
    102,050.28x = 7,989,364,500.86
  5. Step 5: Solve for x
    x = 7,989,364,500.86/102,050.28
  6. Step 6: Final answer
    x = 78,288.51

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.