Home / 131,409.57-197,147.25-37,915.32

Finding the Fourth Proportional to 131,409.57, 197,147.25 and 37,915.32

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Solution

The fourth proportional to 131,409.57, 197,147.25 and 37,915.32 is: 56,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,409.57 : 197,147.25 = 37,915.32 : x
  2. Step 2: Convert to fraction form
    131,409.57/197,147.25 = 37,915.32/x
  3. Step 3: Cross multiply
    131,409.57x = 197,147.25 × 37,915.32
  4. Step 4: Simplify right side
    131,409.57x = 7,474,901,070.87
  5. Step 5: Solve for x
    x = 7,474,901,070.87/131,409.57
  6. Step 6: Final answer
    x = 56,882.47

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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.