Home / 194,140.10-291,210.15-115,213.70

Finding the Fourth Proportional to 194,140.10, 291,210.15 and 115,213.70

Calculator

Solution

The fourth proportional to 194,140.10, 291,210.15 and 115,213.70 is: 172,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,140.10 : 291,210.15 = 115,213.70 : x
  2. Step 2: Convert to fraction form
    194,140.10/291,210.15 = 115,213.70/x
  3. Step 3: Cross multiply
    194,140.10x = 291,210.15 × 115,213.70
  4. Step 4: Simplify right side
    194,140.10x = 33,551,398,859.06
  5. Step 5: Solve for x
    x = 33,551,398,859.06/194,140.10
  6. Step 6: Final answer
    x = 172,820.55

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.