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Finding the Fourth Proportional to 103,192.62, 154,796.28 and 35,696.67

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Solution

The fourth proportional to 103,192.62, 154,796.28 and 35,696.67 is: 53,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,192.62 : 154,796.28 = 35,696.67 : x
  2. Step 2: Convert to fraction form
    103,192.62/154,796.28 = 35,696.67/x
  3. Step 3: Cross multiply
    103,192.62x = 154,796.28 × 35,696.67
  4. Step 4: Simplify right side
    103,192.62x = 5,525,711,724.39
  5. Step 5: Solve for x
    x = 5,525,711,724.39/103,192.62
  6. Step 6: Final answer
    x = 53,547.55

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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.