Home / 150,172.38-225,071.46-131,407.92

Finding the Fourth Proportional to 150,172.38, 225,071.46 and 131,407.92

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Solution

The fourth proportional to 150,172.38, 225,071.46 and 131,407.92 is: 196,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,172.38 : 225,071.46 = 131,407.92 : x
  2. Step 2: Convert to fraction form
    150,172.38/225,071.46 = 131,407.92/x
  3. Step 3: Cross multiply
    150,172.38x = 225,071.46 × 131,407.92
  4. Step 4: Simplify right side
    150,172.38x = 29,576,172,409.96
  5. Step 5: Solve for x
    x = 29,576,172,409.96/150,172.38
  6. Step 6: Final answer
    x = 196,948.15

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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.