Home / 120,801.60-181,087.20-94,132.80

Finding the Fourth Proportional to 120,801.60, 181,087.20 and 94,132.80

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Solution

The fourth proportional to 120,801.60, 181,087.20 and 94,132.80 is: 141,109.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,801.60 : 181,087.20 = 94,132.80 : x
  2. Step 2: Convert to fraction form
    120,801.60/181,087.20 = 94,132.80/x
  3. Step 3: Cross multiply
    120,801.60x = 181,087.20 × 94,132.80
  4. Step 4: Simplify right side
    120,801.60x = 17,046,245,180.16
  5. Step 5: Solve for x
    x = 17,046,245,180.16/120,801.60
  6. Step 6: Final answer
    x = 141,109.43

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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.