Home / 88,178.54-121,603.49-68,003.46

Finding the Fourth Proportional to 88,178.54, 121,603.49 and 68,003.46

Calculator

Solution

The fourth proportional to 88,178.54, 121,603.49 and 68,003.46 is: 93,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,178.54 : 121,603.49 = 68,003.46 : x
  2. Step 2: Convert to fraction form
    88,178.54/121,603.49 = 68,003.46/x
  3. Step 3: Cross multiply
    88,178.54x = 121,603.49 × 68,003.46
  4. Step 4: Simplify right side
    88,178.54x = 8,269,458,068.08
  5. Step 5: Solve for x
    x = 8,269,458,068.08/88,178.54
  6. Step 6: Final answer
    x = 93,780.85

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.