Home / 171,626.40-257,439.60-53,309.70

Finding the Fourth Proportional to 171,626.40, 257,439.60 and 53,309.70

Calculator

Solution

The fourth proportional to 171,626.40, 257,439.60 and 53,309.70 is: 79,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,626.40 : 257,439.60 = 53,309.70 : x
  2. Step 2: Convert to fraction form
    171,626.40/257,439.60 = 53,309.70/x
  3. Step 3: Cross multiply
    171,626.40x = 257,439.60 × 53,309.70
  4. Step 4: Simplify right side
    171,626.40x = 13,724,027,844.12
  5. Step 5: Solve for x
    x = 13,724,027,844.12/171,626.40
  6. Step 6: Final answer
    x = 79,964.55

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.