Home / 141,411.42-195,146.01-77,748.66

Finding the Fourth Proportional to 141,411.42, 195,146.01 and 77,748.66

Calculator

Solution

The fourth proportional to 141,411.42, 195,146.01 and 77,748.66 is: 107,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,411.42 : 195,146.01 = 77,748.66 : x
  2. Step 2: Convert to fraction form
    141,411.42/195,146.01 = 77,748.66/x
  3. Step 3: Cross multiply
    141,411.42x = 195,146.01 × 77,748.66
  4. Step 4: Simplify right side
    141,411.42x = 15,172,340,781.85
  5. Step 5: Solve for x
    x = 15,172,340,781.85/141,411.42
  6. Step 6: Final answer
    x = 107,292.19

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.