Home / 131,172.10-196,758.15-104,928.10

Finding the Fourth Proportional to 131,172.10, 196,758.15 and 104,928.10

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Solution

The fourth proportional to 131,172.10, 196,758.15 and 104,928.10 is: 157,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,172.10 : 196,758.15 = 104,928.10 : x
  2. Step 2: Convert to fraction form
    131,172.10/196,758.15 = 104,928.10/x
  3. Step 3: Cross multiply
    131,172.10x = 196,758.15 × 104,928.10
  4. Step 4: Simplify right side
    131,172.10x = 20,645,458,839.02
  5. Step 5: Solve for x
    x = 20,645,458,839.02/131,172.10
  6. Step 6: Final answer
    x = 157,392.15

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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.