Home / 157,609.46-217,501.80-85,991.08

Finding the Fourth Proportional to 157,609.46, 217,501.80 and 85,991.08

Calculator

Solution

The fourth proportional to 157,609.46, 217,501.80 and 85,991.08 is: 118,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,609.46 : 217,501.80 = 85,991.08 : x
  2. Step 2: Convert to fraction form
    157,609.46/217,501.80 = 85,991.08/x
  3. Step 3: Cross multiply
    157,609.46x = 217,501.80 × 85,991.08
  4. Step 4: Simplify right side
    157,609.46x = 18,703,214,683.94
  5. Step 5: Solve for x
    x = 18,703,214,683.94/157,609.46
  6. Step 6: Final answer
    x = 118,668.10

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.