Home / 133,028.31-199,521.02-38,236.89

Finding the Fourth Proportional to 133,028.31, 199,521.02 and 38,236.89

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Solution

The fourth proportional to 133,028.31, 199,521.02 and 38,236.89 is: 57,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.31 : 199,521.02 = 38,236.89 : x
  2. Step 2: Convert to fraction form
    133,028.31/199,521.02 = 38,236.89/x
  3. Step 3: Cross multiply
    133,028.31x = 199,521.02 × 38,236.89
  4. Step 4: Simplify right side
    133,028.31x = 7,629,063,103.24
  5. Step 5: Solve for x
    x = 7,629,063,103.24/133,028.31
  6. Step 6: Final answer
    x = 57,349.17

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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.