Home / 163,978.41-226,299.93-100,328.52

Finding the Fourth Proportional to 163,978.41, 226,299.93 and 100,328.52

Calculator

Solution

The fourth proportional to 163,978.41, 226,299.93 and 100,328.52 is: 138,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,978.41 : 226,299.93 = 100,328.52 : x
  2. Step 2: Convert to fraction form
    163,978.41/226,299.93 = 100,328.52/x
  3. Step 3: Cross multiply
    163,978.41x = 226,299.93 × 100,328.52
  4. Step 4: Simplify right side
    163,978.41x = 22,704,337,053.00
  5. Step 5: Solve for x
    x = 22,704,337,053.00/163,978.41
  6. Step 6: Final answer
    x = 138,459.31

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.