Home / 390,106.13-585,159.19-109,623.38

Finding the Fourth Proportional to 390,106.13, 585,159.19 and 109,623.38

Calculator

Solution

The fourth proportional to 390,106.13, 585,159.19 and 109,623.38 is: 164,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,106.13 : 585,159.19 = 109,623.38 : x
  2. Step 2: Convert to fraction form
    390,106.13/585,159.19 = 109,623.38/x
  3. Step 3: Cross multiply
    390,106.13x = 585,159.19 × 109,623.38
  4. Step 4: Simplify right side
    390,106.13x = 64,147,125,046.01
  5. Step 5: Solve for x
    x = 64,147,125,046.01/390,106.13
  6. Step 6: Final answer
    x = 164,435.06

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.