Home / 131,238.04-196,943.91-72,114.88

Finding the Fourth Proportional to 131,238.04, 196,943.91 and 72,114.88

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Solution

The fourth proportional to 131,238.04, 196,943.91 and 72,114.88 is: 108,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,238.04 : 196,943.91 = 72,114.88 : x
  2. Step 2: Convert to fraction form
    131,238.04/196,943.91 = 72,114.88/x
  3. Step 3: Cross multiply
    131,238.04x = 196,943.91 × 72,114.88
  4. Step 4: Simplify right side
    131,238.04x = 14,202,585,091.09
  5. Step 5: Solve for x
    x = 14,202,585,091.09/131,238.04
  6. Step 6: Final answer
    x = 108,220.04

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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.