Home / 98,815.10-136,443.46-91,258.66

Finding the Fourth Proportional to 98,815.10, 136,443.46 and 91,258.66

Calculator

Solution

The fourth proportional to 98,815.10, 136,443.46 and 91,258.66 is: 126,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,815.10 : 136,443.46 = 91,258.66 : x
  2. Step 2: Convert to fraction form
    98,815.10/136,443.46 = 91,258.66/x
  3. Step 3: Cross multiply
    98,815.10x = 136,443.46 × 91,258.66
  4. Step 4: Simplify right side
    98,815.10x = 12,451,647,325.36
  5. Step 5: Solve for x
    x = 12,451,647,325.36/98,815.10
  6. Step 6: Final answer
    x = 126,009.56

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.