Home / 137,978.23-206,927.37-53,719.60

Finding the Fourth Proportional to 137,978.23, 206,927.37 and 53,719.60

Calculator

Solution

The fourth proportional to 137,978.23, 206,927.37 and 53,719.60 is: 80,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,978.23 : 206,927.37 = 53,719.60 : x
  2. Step 2: Convert to fraction form
    137,978.23/206,927.37 = 53,719.60/x
  3. Step 3: Cross multiply
    137,978.23x = 206,927.37 × 53,719.60
  4. Step 4: Simplify right side
    137,978.23x = 11,116,055,545.45
  5. Step 5: Solve for x
    x = 11,116,055,545.45/137,978.23
  6. Step 6: Final answer
    x = 80,563.84

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.