Home / 123,488.08-185,035.29-79,078.30

Finding the Fourth Proportional to 123,488.08, 185,035.29 and 79,078.30

Calculator

Solution

The fourth proportional to 123,488.08, 185,035.29 and 79,078.30 is: 118,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,488.08 : 185,035.29 = 79,078.30 : x
  2. Step 2: Convert to fraction form
    123,488.08/185,035.29 = 79,078.30/x
  3. Step 3: Cross multiply
    123,488.08x = 185,035.29 × 79,078.30
  4. Step 4: Simplify right side
    123,488.08x = 14,632,276,173.21
  5. Step 5: Solve for x
    x = 14,632,276,173.21/123,488.08
  6. Step 6: Final answer
    x = 118,491.41

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.