Home / 137,776.08-190,108.35-81,179.76

Finding the Fourth Proportional to 137,776.08, 190,108.35 and 81,179.76

Calculator

Solution

The fourth proportional to 137,776.08, 190,108.35 and 81,179.76 is: 112,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,776.08 : 190,108.35 = 81,179.76 : x
  2. Step 2: Convert to fraction form
    137,776.08/190,108.35 = 81,179.76/x
  3. Step 3: Cross multiply
    137,776.08x = 190,108.35 × 81,179.76
  4. Step 4: Simplify right side
    137,776.08x = 15,432,950,227.00
  5. Step 5: Solve for x
    x = 15,432,950,227.00/137,776.08
  6. Step 6: Final answer
    x = 112,014.73

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.