Home / 79,126.40-118,690.80-25,818.14

Finding the Fourth Proportional to 79,126.40, 118,690.80 and 25,818.14

Calculator

Solution

The fourth proportional to 79,126.40, 118,690.80 and 25,818.14 is: 38,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,126.40 : 118,690.80 = 25,818.14 : x
  2. Step 2: Convert to fraction form
    79,126.40/118,690.80 = 25,818.14/x
  3. Step 3: Cross multiply
    79,126.40x = 118,690.80 × 25,818.14
  4. Step 4: Simplify right side
    79,126.40x = 3,064,375,691.11
  5. Step 5: Solve for x
    x = 3,064,375,691.11/79,126.40
  6. Step 6: Final answer
    x = 38,727.60

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.