Home / 111,929.10-154,473.04-83,585.58

Finding the Fourth Proportional to 111,929.10, 154,473.04 and 83,585.58

Calculator

Solution

The fourth proportional to 111,929.10, 154,473.04 and 83,585.58 is: 115,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,929.10 : 154,473.04 = 83,585.58 : x
  2. Step 2: Convert to fraction form
    111,929.10/154,473.04 = 83,585.58/x
  3. Step 3: Cross multiply
    111,929.10x = 154,473.04 × 83,585.58
  4. Step 4: Simplify right side
    111,929.10x = 12,911,718,642.76
  5. Step 5: Solve for x
    x = 12,911,718,642.76/111,929.10
  6. Step 6: Final answer
    x = 115,356.23

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.