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Finding the Fourth Proportional to 93,552.30, 140,346.90 and 30,360.64

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Solution

The fourth proportional to 93,552.30, 140,346.90 and 30,360.64 is: 45,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,552.30 : 140,346.90 = 30,360.64 : x
  2. Step 2: Convert to fraction form
    93,552.30/140,346.90 = 30,360.64/x
  3. Step 3: Cross multiply
    93,552.30x = 140,346.90 × 30,360.64
  4. Step 4: Simplify right side
    93,552.30x = 4,261,021,706.02
  5. Step 5: Solve for x
    x = 4,261,021,706.02/93,552.30
  6. Step 6: Final answer
    x = 45,546.95

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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.