Home / 146,211.60-219,025.80-76,130.40

Finding the Fourth Proportional to 146,211.60, 219,025.80 and 76,130.40

Calculator

Solution

The fourth proportional to 146,211.60, 219,025.80 and 76,130.40 is: 114,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,211.60 : 219,025.80 = 76,130.40 : x
  2. Step 2: Convert to fraction form
    146,211.60/219,025.80 = 76,130.40/x
  3. Step 3: Cross multiply
    146,211.60x = 219,025.80 × 76,130.40
  4. Step 4: Simplify right side
    146,211.60x = 16,674,521,764.32
  5. Step 5: Solve for x
    x = 16,674,521,764.32/146,211.60
  6. Step 6: Final answer
    x = 114,043.77

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.