Home / 387,840.68-581,696.22-107,386.28

Finding the Fourth Proportional to 387,840.68, 581,696.22 and 107,386.28

Calculator

Solution

The fourth proportional to 387,840.68, 581,696.22 and 107,386.28 is: 161,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,840.68 : 581,696.22 = 107,386.28 : x
  2. Step 2: Convert to fraction form
    387,840.68/581,696.22 = 107,386.28/x
  3. Step 3: Cross multiply
    387,840.68x = 581,696.22 × 107,386.28
  4. Step 4: Simplify right side
    387,840.68x = 62,466,193,155.86
  5. Step 5: Solve for x
    x = 62,466,193,155.86/387,840.68
  6. Step 6: Final answer
    x = 161,061.48

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.