Home / 121,158.81-167,204.07-67,440.42

Finding the Fourth Proportional to 121,158.81, 167,204.07 and 67,440.42

Calculator

Solution

The fourth proportional to 121,158.81, 167,204.07 and 67,440.42 is: 93,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,158.81 : 167,204.07 = 67,440.42 : x
  2. Step 2: Convert to fraction form
    121,158.81/167,204.07 = 67,440.42/x
  3. Step 3: Cross multiply
    121,158.81x = 167,204.07 × 67,440.42
  4. Step 4: Simplify right side
    121,158.81x = 11,276,312,706.51
  5. Step 5: Solve for x
    x = 11,276,312,706.51/121,158.81
  6. Step 6: Final answer
    x = 93,070.51

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.