Home / 134,787.25-186,006.41-75,171.25

Finding the Fourth Proportional to 134,787.25, 186,006.41 and 75,171.25

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Solution

The fourth proportional to 134,787.25, 186,006.41 and 75,171.25 is: 103,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.25 : 186,006.41 = 75,171.25 : x
  2. Step 2: Convert to fraction form
    134,787.25/186,006.41 = 75,171.25/x
  3. Step 3: Cross multiply
    134,787.25x = 186,006.41 × 75,171.25
  4. Step 4: Simplify right side
    134,787.25x = 13,982,334,347.71
  5. Step 5: Solve for x
    x = 13,982,334,347.71/134,787.25
  6. Step 6: Final answer
    x = 103,736.33

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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.