Home / 146,286.19-219,409.84-57,515.86

Finding the Fourth Proportional to 146,286.19, 219,409.84 and 57,515.86

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Solution

The fourth proportional to 146,286.19, 219,409.84 and 57,515.86 is: 86,266.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,286.19 : 219,409.84 = 57,515.86 : x
  2. Step 2: Convert to fraction form
    146,286.19/219,409.84 = 57,515.86/x
  3. Step 3: Cross multiply
    146,286.19x = 219,409.84 × 57,515.86
  4. Step 4: Simplify right side
    146,286.19x = 12,619,545,640.06
  5. Step 5: Solve for x
    x = 12,619,545,640.06/146,286.19
  6. Step 6: Final answer
    x = 86,266.14

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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.