Home / 131,084.84-196,640.04-52,180.64

Finding the Fourth Proportional to 131,084.84, 196,640.04 and 52,180.64

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Solution

The fourth proportional to 131,084.84, 196,640.04 and 52,180.64 is: 78,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,084.84 : 196,640.04 = 52,180.64 : x
  2. Step 2: Convert to fraction form
    131,084.84/196,640.04 = 52,180.64/x
  3. Step 3: Cross multiply
    131,084.84x = 196,640.04 × 52,180.64
  4. Step 4: Simplify right side
    131,084.84x = 10,260,803,136.83
  5. Step 5: Solve for x
    x = 10,260,803,136.83/131,084.84
  6. Step 6: Final answer
    x = 78,276.05

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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.