Home / 89,155.19-123,046.76-55,174.61

Finding the Fourth Proportional to 89,155.19, 123,046.76 and 55,174.61

Calculator

Solution

The fourth proportional to 89,155.19, 123,046.76 and 55,174.61 is: 76,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,155.19 : 123,046.76 = 55,174.61 : x
  2. Step 2: Convert to fraction form
    89,155.19/123,046.76 = 55,174.61/x
  3. Step 3: Cross multiply
    89,155.19x = 123,046.76 × 55,174.61
  4. Step 4: Simplify right side
    89,155.19x = 6,789,057,026.51
  5. Step 5: Solve for x
    x = 6,789,057,026.51/89,155.19
  6. Step 6: Final answer
    x = 76,148.76

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.