Home / 90,432.86-135,655.76-23,872.32

Finding the Fourth Proportional to 90,432.86, 135,655.76 and 23,872.32

Calculator

Solution

The fourth proportional to 90,432.86, 135,655.76 and 23,872.32 is: 35,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,432.86 : 135,655.76 = 23,872.32 : x
  2. Step 2: Convert to fraction form
    90,432.86/135,655.76 = 23,872.32/x
  3. Step 3: Cross multiply
    90,432.86x = 135,655.76 × 23,872.32
  4. Step 4: Simplify right side
    90,432.86x = 3,238,417,772.24
  5. Step 5: Solve for x
    x = 3,238,417,772.24/90,432.86
  6. Step 6: Final answer
    x = 35,810.19

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.