Home / 105,165.75-157,748.64-31,293.75

Finding the Fourth Proportional to 105,165.75, 157,748.64 and 31,293.75

Calculator

Solution

The fourth proportional to 105,165.75, 157,748.64 and 31,293.75 is: 46,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,165.75 : 157,748.64 = 31,293.75 : x
  2. Step 2: Convert to fraction form
    105,165.75/157,748.64 = 31,293.75/x
  3. Step 3: Cross multiply
    105,165.75x = 157,748.64 × 31,293.75
  4. Step 4: Simplify right side
    105,165.75x = 4,936,546,503
  5. Step 5: Solve for x
    x = 4,936,546,503/105,165.75
  6. Step 6: Final answer
    x = 46,940.63

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.