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Finding the Fourth Proportional to 133,516.64, 200,053.74 and 93,880.10

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Solution

The fourth proportional to 133,516.64, 200,053.74 and 93,880.10 is: 140,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,516.64 : 200,053.74 = 93,880.10 : x
  2. Step 2: Convert to fraction form
    133,516.64/200,053.74 = 93,880.10/x
  3. Step 3: Cross multiply
    133,516.64x = 200,053.74 × 93,880.10
  4. Step 4: Simplify right side
    133,516.64x = 18,781,065,116.57
  5. Step 5: Solve for x
    x = 18,781,065,116.57/133,516.64
  6. Step 6: Final answer
    x = 140,664.60

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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.