Home / 176,104.08-243,039.96-100,638

Finding the Fourth Proportional to 176,104.08, 243,039.96 and 100,638

Calculator

Solution

The fourth proportional to 176,104.08, 243,039.96 and 100,638 is: 138,889.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,104.08 : 243,039.96 = 100,638 : x
  2. Step 2: Convert to fraction form
    176,104.08/243,039.96 = 100,638/x
  3. Step 3: Cross multiply
    176,104.08x = 243,039.96 × 100,638
  4. Step 4: Simplify right side
    176,104.08x = 24,459,055,494.48
  5. Step 5: Solve for x
    x = 24,459,055,494.48/176,104.08
  6. Step 6: Final answer
    x = 138,889.77

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.