Home / 70,072.73-105,127.08-20,156.73

Finding the Fourth Proportional to 70,072.73, 105,127.08 and 20,156.73

Calculator

Solution

The fourth proportional to 70,072.73, 105,127.08 and 20,156.73 is: 30,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,072.73 : 105,127.08 = 20,156.73 : x
  2. Step 2: Convert to fraction form
    70,072.73/105,127.08 = 20,156.73/x
  3. Step 3: Cross multiply
    70,072.73x = 105,127.08 × 20,156.73
  4. Step 4: Simplify right side
    70,072.73x = 2,119,018,167.25
  5. Step 5: Solve for x
    x = 2,119,018,167.25/70,072.73
  6. Step 6: Final answer
    x = 30,240.27

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.