Home / 176,450.92-243,531.30-128,861.80

Finding the Fourth Proportional to 176,450.92, 243,531.30 and 128,861.80

Calculator

Solution

The fourth proportional to 176,450.92, 243,531.30 and 128,861.80 is: 177,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,450.92 : 243,531.30 = 128,861.80 : x
  2. Step 2: Convert to fraction form
    176,450.92/243,531.30 = 128,861.80/x
  3. Step 3: Cross multiply
    176,450.92x = 243,531.30 × 128,861.80
  4. Step 4: Simplify right side
    176,450.92x = 31,381,881,674.34
  5. Step 5: Solve for x
    x = 31,381,881,674.34/176,450.92
  6. Step 6: Final answer
    x = 177,850.48

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.