Home / 155,342.15-214,370.12-87,359.10

Finding the Fourth Proportional to 155,342.15, 214,370.12 and 87,359.10

Calculator

Solution

The fourth proportional to 155,342.15, 214,370.12 and 87,359.10 is: 120,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,342.15 : 214,370.12 = 87,359.10 : x
  2. Step 2: Convert to fraction form
    155,342.15/214,370.12 = 87,359.10/x
  3. Step 3: Cross multiply
    155,342.15x = 214,370.12 × 87,359.10
  4. Step 4: Simplify right side
    155,342.15x = 18,727,179,241.45
  5. Step 5: Solve for x
    x = 18,727,179,241.45/155,342.15
  6. Step 6: Final answer
    x = 120,554.40

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.