Home / 105,096.25-145,032.83-67,370.50

Finding the Fourth Proportional to 105,096.25, 145,032.83 and 67,370.50

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Solution

The fourth proportional to 105,096.25, 145,032.83 and 67,370.50 is: 92,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,096.25 : 145,032.83 = 67,370.50 : x
  2. Step 2: Convert to fraction form
    105,096.25/145,032.83 = 67,370.50/x
  3. Step 3: Cross multiply
    105,096.25x = 145,032.83 × 67,370.50
  4. Step 4: Simplify right side
    105,096.25x = 9,770,934,273.52
  5. Step 5: Solve for x
    x = 9,770,934,273.52/105,096.25
  6. Step 6: Final answer
    x = 92,971.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.