Home / 131,016.15-180,801.39-74,427.51

Finding the Fourth Proportional to 131,016.15, 180,801.39 and 74,427.51

Calculator

Solution

The fourth proportional to 131,016.15, 180,801.39 and 74,427.51 is: 102,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,016.15 : 180,801.39 = 74,427.51 : x
  2. Step 2: Convert to fraction form
    131,016.15/180,801.39 = 74,427.51/x
  3. Step 3: Cross multiply
    131,016.15x = 180,801.39 × 74,427.51
  4. Step 4: Simplify right side
    131,016.15x = 13,456,597,262.24
  5. Step 5: Solve for x
    x = 13,456,597,262.24/131,016.15
  6. Step 6: Final answer
    x = 102,709.45

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.