Home / 185,779.15-256,391.03-105,221.00

Finding the Fourth Proportional to 185,779.15, 256,391.03 and 105,221.00

Calculator

Solution

The fourth proportional to 185,779.15, 256,391.03 and 105,221.00 is: 145,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,779.15 : 256,391.03 = 105,221.00 : x
  2. Step 2: Convert to fraction form
    185,779.15/256,391.03 = 105,221.00/x
  3. Step 3: Cross multiply
    185,779.15x = 256,391.03 × 105,221.00
  4. Step 4: Simplify right side
    185,779.15x = 26,977,721,282.70
  5. Step 5: Solve for x
    x = 26,977,721,282.70/185,779.15
  6. Step 6: Final answer
    x = 145,213.94

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.