Home / 111,903.20-167,854.80-107,602.40

Finding the Fourth Proportional to 111,903.20, 167,854.80 and 107,602.40

Calculator

Solution

The fourth proportional to 111,903.20, 167,854.80 and 107,602.40 is: 161,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,903.20 : 167,854.80 = 107,602.40 : x
  2. Step 2: Convert to fraction form
    111,903.20/167,854.80 = 107,602.40/x
  3. Step 3: Cross multiply
    111,903.20x = 167,854.80 × 107,602.40
  4. Step 4: Simplify right side
    111,903.20x = 18,061,579,331.52
  5. Step 5: Solve for x
    x = 18,061,579,331.52/111,903.20
  6. Step 6: Final answer
    x = 161,403.60

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.