Home / 105,893.28-146,165.52-68,167.50

Finding the Fourth Proportional to 105,893.28, 146,165.52 and 68,167.50

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Solution

The fourth proportional to 105,893.28, 146,165.52 and 68,167.50 is: 94,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,893.28 : 146,165.52 = 68,167.50 : x
  2. Step 2: Convert to fraction form
    105,893.28/146,165.52 = 68,167.50/x
  3. Step 3: Cross multiply
    105,893.28x = 146,165.52 × 68,167.50
  4. Step 4: Simplify right side
    105,893.28x = 9,963,738,084.60
  5. Step 5: Solve for x
    x = 9,963,738,084.60/105,893.28
  6. Step 6: Final answer
    x = 94,092.26

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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.