Home / 134,787.75-186,007.10-75,171.75

Finding the Fourth Proportional to 134,787.75, 186,007.10 and 75,171.75

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Solution

The fourth proportional to 134,787.75, 186,007.10 and 75,171.75 is: 103,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.75 : 186,007.10 = 75,171.75 : x
  2. Step 2: Convert to fraction form
    134,787.75/186,007.10 = 75,171.75/x
  3. Step 3: Cross multiply
    134,787.75x = 186,007.10 × 75,171.75
  4. Step 4: Simplify right side
    134,787.75x = 13,982,478,843.57
  5. Step 5: Solve for x
    x = 13,982,478,843.57/134,787.75
  6. Step 6: Final answer
    x = 103,737.02

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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.