Home / 117,897.06-162,387.91-90,620.92

Finding the Fourth Proportional to 117,897.06, 162,387.91 and 90,620.92

Calculator

Solution

The fourth proportional to 117,897.06, 162,387.91 and 90,620.92 is: 124,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,897.06 : 162,387.91 = 90,620.92 : x
  2. Step 2: Convert to fraction form
    117,897.06/162,387.91 = 90,620.92/x
  3. Step 3: Cross multiply
    117,897.06x = 162,387.91 × 90,620.92
  4. Step 4: Simplify right side
    117,897.06x = 14,715,741,168.56
  5. Step 5: Solve for x
    x = 14,715,741,168.56/117,897.06
  6. Step 6: Final answer
    x = 124,818.56

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.