Home / 105,581.43-145,702.41-57,835.56

Finding the Fourth Proportional to 105,581.43, 145,702.41 and 57,835.56

Calculator

Solution

The fourth proportional to 105,581.43, 145,702.41 and 57,835.56 is: 79,813.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,581.43 : 145,702.41 = 57,835.56 : x
  2. Step 2: Convert to fraction form
    105,581.43/145,702.41 = 57,835.56/x
  3. Step 3: Cross multiply
    105,581.43x = 145,702.41 × 57,835.56
  4. Step 4: Simplify right side
    105,581.43x = 8,426,780,475.70
  5. Step 5: Solve for x
    x = 8,426,780,475.70/105,581.43
  6. Step 6: Final answer
    x = 79,813.09

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.