Home / 115,458.90-159,443.33-109,168.89

Finding the Fourth Proportional to 115,458.90, 159,443.33 and 109,168.89

Calculator

Solution

The fourth proportional to 115,458.90, 159,443.33 and 109,168.89 is: 150,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,458.90 : 159,443.33 = 109,168.89 : x
  2. Step 2: Convert to fraction form
    115,458.90/159,443.33 = 109,168.89/x
  3. Step 3: Cross multiply
    115,458.90x = 159,443.33 × 109,168.89
  4. Step 4: Simplify right side
    115,458.90x = 17,406,250,808.16
  5. Step 5: Solve for x
    x = 17,406,250,808.16/115,458.90
  6. Step 6: Final answer
    x = 150,757.12

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.