Home / 151,132.40-226,504.20-91,905.20

Finding the Fourth Proportional to 151,132.40, 226,504.20 and 91,905.20

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Solution

The fourth proportional to 151,132.40, 226,504.20 and 91,905.20 is: 137,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,132.40 : 226,504.20 = 91,905.20 : x
  2. Step 2: Convert to fraction form
    151,132.40/226,504.20 = 91,905.20/x
  3. Step 3: Cross multiply
    151,132.40x = 226,504.20 × 91,905.20
  4. Step 4: Simplify right side
    151,132.40x = 20,816,913,801.84
  5. Step 5: Solve for x
    x = 20,816,913,801.84/151,132.40
  6. Step 6: Final answer
    x = 137,739.58

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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.