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Finding the Fourth Proportional to 134,035.60, 200,880.60 and 102,715.60

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Solution

The fourth proportional to 134,035.60, 200,880.60 and 102,715.60 is: 153,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,035.60 : 200,880.60 = 102,715.60 : x
  2. Step 2: Convert to fraction form
    134,035.60/200,880.60 = 102,715.60/x
  3. Step 3: Cross multiply
    134,035.60x = 200,880.60 × 102,715.60
  4. Step 4: Simplify right side
    134,035.60x = 20,633,571,357.36
  5. Step 5: Solve for x
    x = 20,633,571,357.36/134,035.60
  6. Step 6: Final answer
    x = 153,940.98

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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.