Home / 128,830.08-193,300.74-69,707.46

Finding the Fourth Proportional to 128,830.08, 193,300.74 and 69,707.46

Calculator

Solution

The fourth proportional to 128,830.08, 193,300.74 and 69,707.46 is: 104,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,830.08 : 193,300.74 = 69,707.46 : x
  2. Step 2: Convert to fraction form
    128,830.08/193,300.74 = 69,707.46/x
  3. Step 3: Cross multiply
    128,830.08x = 193,300.74 × 69,707.46
  4. Step 4: Simplify right side
    128,830.08x = 13,474,503,601.52
  5. Step 5: Solve for x
    x = 13,474,503,601.52/128,830.08
  6. Step 6: Final answer
    x = 104,591.28

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.