Home / 185,921.73-256,499.55-137,639.22

Finding the Fourth Proportional to 185,921.73, 256,499.55 and 137,639.22

Calculator

Solution

The fourth proportional to 185,921.73, 256,499.55 and 137,639.22 is: 189,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,921.73 : 256,499.55 = 137,639.22 : x
  2. Step 2: Convert to fraction form
    185,921.73/256,499.55 = 137,639.22/x
  3. Step 3: Cross multiply
    185,921.73x = 256,499.55 × 137,639.22
  4. Step 4: Simplify right side
    185,921.73x = 35,304,397,992.35
  5. Step 5: Solve for x
    x = 35,304,397,992.35/185,921.73
  6. Step 6: Final answer
    x = 189,888.50

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.