Home / 135,128.16-202,779.28-72,842.08

Finding the Fourth Proportional to 135,128.16, 202,779.28 and 72,842.08

Calculator

Solution

The fourth proportional to 135,128.16, 202,779.28 and 72,842.08 is: 109,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,128.16 : 202,779.28 = 72,842.08 : x
  2. Step 2: Convert to fraction form
    135,128.16/202,779.28 = 72,842.08/x
  3. Step 3: Cross multiply
    135,128.16x = 202,779.28 × 72,842.08
  4. Step 4: Simplify right side
    135,128.16x = 14,770,864,536.10
  5. Step 5: Solve for x
    x = 14,770,864,536.10/135,128.16
  6. Step 6: Final answer
    x = 109,310.04

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.