Home / 438,070.04-657,186.18-138,626

Finding the Fourth Proportional to 438,070.04, 657,186.18 and 138,626

Calculator

Solution

The fourth proportional to 438,070.04, 657,186.18 and 138,626 is: 207,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,070.04 : 657,186.18 = 138,626 : x
  2. Step 2: Convert to fraction form
    438,070.04/657,186.18 = 138,626/x
  3. Step 3: Cross multiply
    438,070.04x = 657,186.18 × 138,626
  4. Step 4: Simplify right side
    438,070.04x = 91,103,091,388.68
  5. Step 5: Solve for x
    x = 91,103,091,388.68/438,070.04
  6. Step 6: Final answer
    x = 207,964.67

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.