Home / 206,052.40-308,848.20-87,703.60

Finding the Fourth Proportional to 206,052.40, 308,848.20 and 87,703.60

Calculator

Solution

The fourth proportional to 206,052.40, 308,848.20 and 87,703.60 is: 131,457.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,052.40 : 308,848.20 = 87,703.60 : x
  2. Step 2: Convert to fraction form
    206,052.40/308,848.20 = 87,703.60/x
  3. Step 3: Cross multiply
    206,052.40x = 308,848.20 × 87,703.60
  4. Step 4: Simplify right side
    206,052.40x = 27,087,098,993.52
  5. Step 5: Solve for x
    x = 27,087,098,993.52/206,052.40
  6. Step 6: Final answer
    x = 131,457.33

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.