Home / 102,919.28-154,357.92-36,361.58

Finding the Fourth Proportional to 102,919.28, 154,357.92 and 36,361.58

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Solution

The fourth proportional to 102,919.28, 154,357.92 and 36,361.58 is: 54,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,919.28 : 154,357.92 = 36,361.58 : x
  2. Step 2: Convert to fraction form
    102,919.28/154,357.92 = 36,361.58/x
  3. Step 3: Cross multiply
    102,919.28x = 154,357.92 × 36,361.58
  4. Step 4: Simplify right side
    102,919.28x = 5,612,697,084.92
  5. Step 5: Solve for x
    x = 5,612,697,084.92/102,919.28
  6. Step 6: Final answer
    x = 54,534.95

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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.