Home / 83,890.36-115,764.30-46,157.40

Finding the Fourth Proportional to 83,890.36, 115,764.30 and 46,157.40

Calculator

Solution

The fourth proportional to 83,890.36, 115,764.30 and 46,157.40 is: 63,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,890.36 : 115,764.30 = 46,157.40 : x
  2. Step 2: Convert to fraction form
    83,890.36/115,764.30 = 46,157.40/x
  3. Step 3: Cross multiply
    83,890.36x = 115,764.30 × 46,157.40
  4. Step 4: Simplify right side
    83,890.36x = 5,343,379,100.82
  5. Step 5: Solve for x
    x = 5,343,379,100.82/83,890.36
  6. Step 6: Final answer
    x = 63,694.79

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.