Home / 107,954.28-149,037.13-75,787.61

Finding the Fourth Proportional to 107,954.28, 149,037.13 and 75,787.61

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Solution

The fourth proportional to 107,954.28, 149,037.13 and 75,787.61 is: 104,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,954.28 : 149,037.13 = 75,787.61 : x
  2. Step 2: Convert to fraction form
    107,954.28/149,037.13 = 75,787.61/x
  3. Step 3: Cross multiply
    107,954.28x = 149,037.13 × 75,787.61
  4. Step 4: Simplify right side
    107,954.28x = 11,295,167,233.51
  5. Step 5: Solve for x
    x = 11,295,167,233.51/107,954.28
  6. Step 6: Final answer
    x = 104,629.17

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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.