Home / 136,341.20-203,416.66-121,372.40

Finding the Fourth Proportional to 136,341.20, 203,416.66 and 121,372.40

Calculator

Solution

The fourth proportional to 136,341.20, 203,416.66 and 121,372.40 is: 181,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,341.20 : 203,416.66 = 121,372.40 : x
  2. Step 2: Convert to fraction form
    136,341.20/203,416.66 = 121,372.40/x
  3. Step 3: Cross multiply
    136,341.20x = 203,416.66 × 121,372.40
  4. Step 4: Simplify right side
    136,341.20x = 24,689,168,224.18
  5. Step 5: Solve for x
    x = 24,689,168,224.18/136,341.20
  6. Step 6: Final answer
    x = 181,083.69

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.