Home / 111,805.40-154,291.56-61,504.40

Finding the Fourth Proportional to 111,805.40, 154,291.56 and 61,504.40

Calculator

Solution

The fourth proportional to 111,805.40, 154,291.56 and 61,504.40 is: 84,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,805.40 : 154,291.56 = 61,504.40 : x
  2. Step 2: Convert to fraction form
    111,805.40/154,291.56 = 61,504.40/x
  3. Step 3: Cross multiply
    111,805.40x = 154,291.56 × 61,504.40
  4. Step 4: Simplify right side
    111,805.40x = 9,489,609,822.86
  5. Step 5: Solve for x
    x = 9,489,609,822.86/111,805.40
  6. Step 6: Final answer
    x = 84,876.13

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.