Home / 105,115.60-157,673.40-97,166.80

Finding the Fourth Proportional to 105,115.60, 157,673.40 and 97,166.80

Calculator

Solution

The fourth proportional to 105,115.60, 157,673.40 and 97,166.80 is: 145,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,115.60 : 157,673.40 = 97,166.80 : x
  2. Step 2: Convert to fraction form
    105,115.60/157,673.40 = 97,166.80/x
  3. Step 3: Cross multiply
    105,115.60x = 157,673.40 × 97,166.80
  4. Step 4: Simplify right side
    105,115.60x = 15,320,619,723.12
  5. Step 5: Solve for x
    x = 15,320,619,723.12/105,115.60
  6. Step 6: Final answer
    x = 145,750.20

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.