Home / 105,084.20-157,772.10-65,718.20

Finding the Fourth Proportional to 105,084.20, 157,772.10 and 65,718.20

Calculator

Solution

The fourth proportional to 105,084.20, 157,772.10 and 65,718.20 is: 98,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,084.20 : 157,772.10 = 65,718.20 : x
  2. Step 2: Convert to fraction form
    105,084.20/157,772.10 = 65,718.20/x
  3. Step 3: Cross multiply
    105,084.20x = 157,772.10 × 65,718.20
  4. Step 4: Simplify right side
    105,084.20x = 10,368,498,422.22
  5. Step 5: Solve for x
    x = 10,368,498,422.22/105,084.20
  6. Step 6: Final answer
    x = 98,668.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.