Home / 103,957.40-155,936.10-96,584.60

Finding the Fourth Proportional to 103,957.40, 155,936.10 and 96,584.60

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Solution

The fourth proportional to 103,957.40, 155,936.10 and 96,584.60 is: 144,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,957.40 : 155,936.10 = 96,584.60 : x
  2. Step 2: Convert to fraction form
    103,957.40/155,936.10 = 96,584.60/x
  3. Step 3: Cross multiply
    103,957.40x = 155,936.10 × 96,584.60
  4. Step 4: Simplify right side
    103,957.40x = 15,061,025,844.06
  5. Step 5: Solve for x
    x = 15,061,025,844.06/103,957.40
  6. Step 6: Final answer
    x = 144,876.90

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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.