Home / 141,612.16-212,549.64-71,540.68

Finding the Fourth Proportional to 141,612.16, 212,549.64 and 71,540.68

Calculator

Solution

The fourth proportional to 141,612.16, 212,549.64 and 71,540.68 is: 107,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,612.16 : 212,549.64 = 71,540.68 : x
  2. Step 2: Convert to fraction form
    141,612.16/212,549.64 = 71,540.68/x
  3. Step 3: Cross multiply
    141,612.16x = 212,549.64 × 71,540.68
  4. Step 4: Simplify right side
    141,612.16x = 15,205,945,779.36
  5. Step 5: Solve for x
    x = 15,205,945,779.36/141,612.16
  6. Step 6: Final answer
    x = 107,377.40

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.