Home / 446,690.40-669,970.80-131,114.40

Finding the Fourth Proportional to 446,690.40, 669,970.80 and 131,114.40

Calculator

Solution

The fourth proportional to 446,690.40, 669,970.80 and 131,114.40 is: 196,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,690.40 : 669,970.80 = 131,114.40 : x
  2. Step 2: Convert to fraction form
    446,690.40/669,970.80 = 131,114.40/x
  3. Step 3: Cross multiply
    446,690.40x = 669,970.80 × 131,114.40
  4. Step 4: Simplify right side
    446,690.40x = 87,842,819,459.52
  5. Step 5: Solve for x
    x = 87,842,819,459.52/446,690.40
  6. Step 6: Final answer
    x = 196,652.58

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.