Home / 131,208.45-181,062.45-77,510.73

Finding the Fourth Proportional to 131,208.45, 181,062.45 and 77,510.73

Calculator

Solution

The fourth proportional to 131,208.45, 181,062.45 and 77,510.73 is: 106,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,208.45 : 181,062.45 = 77,510.73 : x
  2. Step 2: Convert to fraction form
    131,208.45/181,062.45 = 77,510.73/x
  3. Step 3: Cross multiply
    131,208.45x = 181,062.45 × 77,510.73
  4. Step 4: Simplify right side
    131,208.45x = 14,034,282,675.09
  5. Step 5: Solve for x
    x = 14,034,282,675.09/131,208.45
  6. Step 6: Final answer
    x = 106,961.73

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.