Home / 175,278.40-262,917.60-86,574.40

Finding the Fourth Proportional to 175,278.40, 262,917.60 and 86,574.40

Calculator

Solution

The fourth proportional to 175,278.40, 262,917.60 and 86,574.40 is: 129,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,278.40 : 262,917.60 = 86,574.40 : x
  2. Step 2: Convert to fraction form
    175,278.40/262,917.60 = 86,574.40/x
  3. Step 3: Cross multiply
    175,278.40x = 262,917.60 × 86,574.40
  4. Step 4: Simplify right side
    175,278.40x = 22,761,933,469.44
  5. Step 5: Solve for x
    x = 22,761,933,469.44/175,278.40
  6. Step 6: Final answer
    x = 129,861.60

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.