Home / 120,837.40-166,754.22-67,128.32

Finding the Fourth Proportional to 120,837.40, 166,754.22 and 67,128.32

Calculator

Solution

The fourth proportional to 120,837.40, 166,754.22 and 67,128.32 is: 92,636.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,837.40 : 166,754.22 = 67,128.32 : x
  2. Step 2: Convert to fraction form
    120,837.40/166,754.22 = 67,128.32/x
  3. Step 3: Cross multiply
    120,837.40x = 166,754.22 × 67,128.32
  4. Step 4: Simplify right side
    120,837.40x = 11,193,930,641.51
  5. Step 5: Solve for x
    x = 11,193,930,641.51/120,837.40
  6. Step 6: Final answer
    x = 92,636.31

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.