Home / 445,576.40-668,364.60-130,065.20

Finding the Fourth Proportional to 445,576.40, 668,364.60 and 130,065.20

Calculator

Solution

The fourth proportional to 445,576.40, 668,364.60 and 130,065.20 is: 195,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,576.40 : 668,364.60 = 130,065.20 : x
  2. Step 2: Convert to fraction form
    445,576.40/668,364.60 = 130,065.20/x
  3. Step 3: Cross multiply
    445,576.40x = 668,364.60 × 130,065.20
  4. Step 4: Simplify right side
    445,576.40x = 86,930,975,371.92
  5. Step 5: Solve for x
    x = 86,930,975,371.92/445,576.40
  6. Step 6: Final answer
    x = 195,097.80

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.