Home / 148,863.64-204,831.56-145,320.72

Finding the Fourth Proportional to 148,863.64, 204,831.56 and 145,320.72

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Solution

The fourth proportional to 148,863.64, 204,831.56 and 145,320.72 is: 199,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,863.64 : 204,831.56 = 145,320.72 : x
  2. Step 2: Convert to fraction form
    148,863.64/204,831.56 = 145,320.72/x
  3. Step 3: Cross multiply
    148,863.64x = 204,831.56 × 145,320.72
  4. Step 4: Simplify right side
    148,863.64x = 29,766,269,777.92
  5. Step 5: Solve for x
    x = 29,766,269,777.92/148,863.64
  6. Step 6: Final answer
    x = 199,956.62

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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.