Home / 125,148.02-187,720.02-30,378.96

Finding the Fourth Proportional to 125,148.02, 187,720.02 and 30,378.96

Calculator

Solution

The fourth proportional to 125,148.02, 187,720.02 and 30,378.96 is: 45,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,148.02 : 187,720.02 = 30,378.96 : x
  2. Step 2: Convert to fraction form
    125,148.02/187,720.02 = 30,378.96/x
  3. Step 3: Cross multiply
    125,148.02x = 187,720.02 × 30,378.96
  4. Step 4: Simplify right side
    125,148.02x = 5,702,738,978.78
  5. Step 5: Solve for x
    x = 5,702,738,978.78/125,148.02
  6. Step 6: Final answer
    x = 45,567.95

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.