Home / 425,754.96-638,647.52-105,908.48

Finding the Fourth Proportional to 425,754.96, 638,647.52 and 105,908.48

Calculator

Solution

The fourth proportional to 425,754.96, 638,647.52 and 105,908.48 is: 158,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,754.96 : 638,647.52 = 105,908.48 : x
  2. Step 2: Convert to fraction form
    425,754.96/638,647.52 = 105,908.48/x
  3. Step 3: Cross multiply
    425,754.96x = 638,647.52 × 105,908.48
  4. Step 4: Simplify right side
    425,754.96x = 67,638,188,098.97
  5. Step 5: Solve for x
    x = 67,638,188,098.97/425,754.96
  6. Step 6: Final answer
    x = 158,866.47

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.