Home / 127,433.81-175,672.77-89,073.90

Finding the Fourth Proportional to 127,433.81, 175,672.77 and 89,073.90

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Solution

The fourth proportional to 127,433.81, 175,672.77 and 89,073.90 is: 122,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,433.81 : 175,672.77 = 89,073.90 : x
  2. Step 2: Convert to fraction form
    127,433.81/175,672.77 = 89,073.90/x
  3. Step 3: Cross multiply
    127,433.81x = 175,672.77 × 89,073.90
  4. Step 4: Simplify right side
    127,433.81x = 15,647,858,413.68
  5. Step 5: Solve for x
    x = 15,647,858,413.68/127,433.81
  6. Step 6: Final answer
    x = 122,792.04

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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.