Home / 185,742.37-256,324.15-100,859.43

Finding the Fourth Proportional to 185,742.37, 256,324.15 and 100,859.43

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Solution

The fourth proportional to 185,742.37, 256,324.15 and 100,859.43 is: 139,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,742.37 : 256,324.15 = 100,859.43 : x
  2. Step 2: Convert to fraction form
    185,742.37/256,324.15 = 100,859.43/x
  3. Step 3: Cross multiply
    185,742.37x = 256,324.15 × 100,859.43
  4. Step 4: Simplify right side
    185,742.37x = 25,852,706,742.37
  5. Step 5: Solve for x
    x = 25,852,706,742.37/185,742.37
  6. Step 6: Final answer
    x = 139,185.84

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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.