Home / 61,160.45-91,739.86-16,787.21

Finding the Fourth Proportional to 61,160.45, 91,739.86 and 16,787.21

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Solution

The fourth proportional to 61,160.45, 91,739.86 and 16,787.21 is: 25,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,160.45 : 91,739.86 = 16,787.21 : x
  2. Step 2: Convert to fraction form
    61,160.45/91,739.86 = 16,787.21/x
  3. Step 3: Cross multiply
    61,160.45x = 91,739.86 × 16,787.21
  4. Step 4: Simplify right side
    61,160.45x = 1,540,055,794.52
  5. Step 5: Solve for x
    x = 1,540,055,794.52/61,160.45
  6. Step 6: Final answer
    x = 25,180.59

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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.