Home / 181,620.81-272,428.49-81,710.46

Finding the Fourth Proportional to 181,620.81, 272,428.49 and 81,710.46

Calculator

Solution

The fourth proportional to 181,620.81, 272,428.49 and 81,710.46 is: 122,564.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,620.81 : 272,428.49 = 81,710.46 : x
  2. Step 2: Convert to fraction form
    181,620.81/272,428.49 = 81,710.46/x
  3. Step 3: Cross multiply
    181,620.81x = 272,428.49 × 81,710.46
  4. Step 4: Simplify right side
    181,620.81x = 22,260,256,826.45
  5. Step 5: Solve for x
    x = 22,260,256,826.45/181,620.81
  6. Step 6: Final answer
    x = 122,564.46

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.