Home / 133,173.41-183,772.26-72,743.18

Finding the Fourth Proportional to 133,173.41, 183,772.26 and 72,743.18

Calculator

Solution

The fourth proportional to 133,173.41, 183,772.26 and 72,743.18 is: 100,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,173.41 : 183,772.26 = 72,743.18 : x
  2. Step 2: Convert to fraction form
    133,173.41/183,772.26 = 72,743.18/x
  3. Step 3: Cross multiply
    133,173.41x = 183,772.26 × 72,743.18
  4. Step 4: Simplify right side
    133,173.41x = 13,368,177,669.33
  5. Step 5: Solve for x
    x = 13,368,177,669.33/133,173.41
  6. Step 6: Final answer
    x = 100,381.74

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.