Home / 203,288.40-304,981.20-98,020.80

Finding the Fourth Proportional to 203,288.40, 304,981.20 and 98,020.80

Calculator

Solution

The fourth proportional to 203,288.40, 304,981.20 and 98,020.80 is: 147,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,288.40 : 304,981.20 = 98,020.80 : x
  2. Step 2: Convert to fraction form
    203,288.40/304,981.20 = 98,020.80/x
  3. Step 3: Cross multiply
    203,288.40x = 304,981.20 × 98,020.80
  4. Step 4: Simplify right side
    203,288.40x = 29,894,501,208.96
  5. Step 5: Solve for x
    x = 29,894,501,208.96/203,288.40
  6. Step 6: Final answer
    x = 147,054.63

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.