Home / 155,617.92-233,076.78-109,078.56

Finding the Fourth Proportional to 155,617.92, 233,076.78 and 109,078.56

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Solution

The fourth proportional to 155,617.92, 233,076.78 and 109,078.56 is: 163,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,617.92 : 233,076.78 = 109,078.56 : x
  2. Step 2: Convert to fraction form
    155,617.92/233,076.78 = 109,078.56/x
  3. Step 3: Cross multiply
    155,617.92x = 233,076.78 × 109,078.56
  4. Step 4: Simplify right side
    155,617.92x = 25,423,679,531.84
  5. Step 5: Solve for x
    x = 25,423,679,531.84/155,617.92
  6. Step 6: Final answer
    x = 163,372.44

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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.