Home / 142,584.57-196,766.88-88,869.54

Finding the Fourth Proportional to 142,584.57, 196,766.88 and 88,869.54

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Solution

The fourth proportional to 142,584.57, 196,766.88 and 88,869.54 is: 122,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,584.57 : 196,766.88 = 88,869.54 : x
  2. Step 2: Convert to fraction form
    142,584.57/196,766.88 = 88,869.54/x
  3. Step 3: Cross multiply
    142,584.57x = 196,766.88 × 88,869.54
  4. Step 4: Simplify right side
    142,584.57x = 17,486,582,112.84
  5. Step 5: Solve for x
    x = 17,486,582,112.84/142,584.57
  6. Step 6: Final answer
    x = 122,640.07

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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.