Home / 107,721.34-161,507.05-47,717.23

Finding the Fourth Proportional to 107,721.34, 161,507.05 and 47,717.23

Calculator

Solution

The fourth proportional to 107,721.34, 161,507.05 and 47,717.23 is: 71,542.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,721.34 : 161,507.05 = 47,717.23 : x
  2. Step 2: Convert to fraction form
    107,721.34/161,507.05 = 47,717.23/x
  3. Step 3: Cross multiply
    107,721.34x = 161,507.05 × 47,717.23
  4. Step 4: Simplify right side
    107,721.34x = 7,706,669,051.47
  5. Step 5: Solve for x
    x = 7,706,669,051.47/107,721.34
  6. Step 6: Final answer
    x = 71,542.64

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.