Home / 116,987.18-161,442.30-63,272.20

Finding the Fourth Proportional to 116,987.18, 161,442.30 and 63,272.20

Calculator

Solution

The fourth proportional to 116,987.18, 161,442.30 and 63,272.20 is: 87,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,987.18 : 161,442.30 = 63,272.20 : x
  2. Step 2: Convert to fraction form
    116,987.18/161,442.30 = 63,272.20/x
  3. Step 3: Cross multiply
    116,987.18x = 161,442.30 × 63,272.20
  4. Step 4: Simplify right side
    116,987.18x = 10,214,809,494.06
  5. Step 5: Solve for x
    x = 10,214,809,494.06/116,987.18
  6. Step 6: Final answer
    x = 87,315.63

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.