Home / 146,286.40-201,736.56-100,891.84

Finding the Fourth Proportional to 146,286.40, 201,736.56 and 100,891.84

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Solution

The fourth proportional to 146,286.40, 201,736.56 and 100,891.84 is: 139,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,286.40 : 201,736.56 = 100,891.84 : x
  2. Step 2: Convert to fraction form
    146,286.40/201,736.56 = 100,891.84/x
  3. Step 3: Cross multiply
    146,286.40x = 201,736.56 × 100,891.84
  4. Step 4: Simplify right side
    146,286.40x = 20,353,572,733.67
  5. Step 5: Solve for x
    x = 20,353,572,733.67/146,286.40
  6. Step 6: Final answer
    x = 139,135.10

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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.