Home / 107,712-148,545.78-67,429.42

Finding the Fourth Proportional to 107,712, 148,545.78 and 67,429.42

Calculator

Solution

The fourth proportional to 107,712, 148,545.78 and 67,429.42 is: 92,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,712 : 148,545.78 = 67,429.42 : x
  2. Step 2: Convert to fraction form
    107,712/148,545.78 = 67,429.42/x
  3. Step 3: Cross multiply
    107,712x = 148,545.78 × 67,429.42
  4. Step 4: Simplify right side
    107,712x = 10,016,355,788.85
  5. Step 5: Solve for x
    x = 10,016,355,788.85/107,712
  6. Step 6: Final answer
    x = 92,992.01

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.