Home / 86,915.16-130,372.74-45,352.44

Finding the Fourth Proportional to 86,915.16, 130,372.74 and 45,352.44

Calculator

Solution

The fourth proportional to 86,915.16, 130,372.74 and 45,352.44 is: 68,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,915.16 : 130,372.74 = 45,352.44 : x
  2. Step 2: Convert to fraction form
    86,915.16/130,372.74 = 45,352.44/x
  3. Step 3: Cross multiply
    86,915.16x = 130,372.74 × 45,352.44
  4. Step 4: Simplify right side
    86,915.16x = 5,912,721,868.49
  5. Step 5: Solve for x
    x = 5,912,721,868.49/86,915.16
  6. Step 6: Final answer
    x = 68,028.66

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.