Home / 192,693.30-289,034.55-87,512.10

Finding the Fourth Proportional to 192,693.30, 289,034.55 and 87,512.10

Calculator

Solution

The fourth proportional to 192,693.30, 289,034.55 and 87,512.10 is: 131,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,693.30 : 289,034.55 = 87,512.10 : x
  2. Step 2: Convert to fraction form
    192,693.30/289,034.55 = 87,512.10/x
  3. Step 3: Cross multiply
    192,693.30x = 289,034.55 × 87,512.10
  4. Step 4: Simplify right side
    192,693.30x = 25,294,020,443.06
  5. Step 5: Solve for x
    x = 25,294,020,443.06/192,693.30
  6. Step 6: Final answer
    x = 131,265.70

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.