Home / 146,586.38-219,507.42-122,831.45

Finding the Fourth Proportional to 146,586.38, 219,507.42 and 122,831.45

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Solution

The fourth proportional to 146,586.38, 219,507.42 and 122,831.45 is: 183,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,586.38 : 219,507.42 = 122,831.45 : x
  2. Step 2: Convert to fraction form
    146,586.38/219,507.42 = 122,831.45/x
  3. Step 3: Cross multiply
    146,586.38x = 219,507.42 × 122,831.45
  4. Step 4: Simplify right side
    146,586.38x = 26,962,415,414.40
  5. Step 5: Solve for x
    x = 26,962,415,414.40/146,586.38
  6. Step 6: Final answer
    x = 183,935.34

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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.