Home / 138,260.48-190,797.34-77,830.94

Finding the Fourth Proportional to 138,260.48, 190,797.34 and 77,830.94

Calculator

Solution

The fourth proportional to 138,260.48, 190,797.34 and 77,830.94 is: 107,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,260.48 : 190,797.34 = 77,830.94 : x
  2. Step 2: Convert to fraction form
    138,260.48/190,797.34 = 77,830.94/x
  3. Step 3: Cross multiply
    138,260.48x = 190,797.34 × 77,830.94
  4. Step 4: Simplify right side
    138,260.48x = 14,849,936,321.70
  5. Step 5: Solve for x
    x = 14,849,936,321.70/138,260.48
  6. Step 6: Final answer
    x = 107,405.50

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.