Home / 100,214.16-138,295.60-54,892.90

Finding the Fourth Proportional to 100,214.16, 138,295.60 and 54,892.90

Calculator

Solution

The fourth proportional to 100,214.16, 138,295.60 and 54,892.90 is: 75,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,214.16 : 138,295.60 = 54,892.90 : x
  2. Step 2: Convert to fraction form
    100,214.16/138,295.60 = 54,892.90/x
  3. Step 3: Cross multiply
    100,214.16x = 138,295.60 × 54,892.90
  4. Step 4: Simplify right side
    100,214.16x = 7,591,446,541.24
  5. Step 5: Solve for x
    x = 7,591,446,541.24/100,214.16
  6. Step 6: Final answer
    x = 75,752.23

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.