Home / 128,907.70-193,361.55-93,915.70

Finding the Fourth Proportional to 128,907.70, 193,361.55 and 93,915.70

Calculator

Solution

The fourth proportional to 128,907.70, 193,361.55 and 93,915.70 is: 140,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,907.70 : 193,361.55 = 93,915.70 : x
  2. Step 2: Convert to fraction form
    128,907.70/193,361.55 = 93,915.70/x
  3. Step 3: Cross multiply
    128,907.70x = 193,361.55 × 93,915.70
  4. Step 4: Simplify right side
    128,907.70x = 18,159,685,321.34
  5. Step 5: Solve for x
    x = 18,159,685,321.34/128,907.70
  6. Step 6: Final answer
    x = 140,873.55

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.