Home / 84,772.66-127,160.20-25,608.84

Finding the Fourth Proportional to 84,772.66, 127,160.20 and 25,608.84

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Solution

The fourth proportional to 84,772.66, 127,160.20 and 25,608.84 is: 38,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,772.66 : 127,160.20 = 25,608.84 : x
  2. Step 2: Convert to fraction form
    84,772.66/127,160.20 = 25,608.84/x
  3. Step 3: Cross multiply
    84,772.66x = 127,160.20 × 25,608.84
  4. Step 4: Simplify right side
    84,772.66x = 3,256,425,216.17
  5. Step 5: Solve for x
    x = 3,256,425,216.17/84,772.66
  6. Step 6: Final answer
    x = 38,413.63

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1.5x scale

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.