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Finding the Fourth Proportional to 133,623.80, 200,111.70 and 71,156.60

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Solution

The fourth proportional to 133,623.80, 200,111.70 and 71,156.60 is: 106,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,623.80 : 200,111.70 = 71,156.60 : x
  2. Step 2: Convert to fraction form
    133,623.80/200,111.70 = 71,156.60/x
  3. Step 3: Cross multiply
    133,623.80x = 200,111.70 × 71,156.60
  4. Step 4: Simplify right side
    133,623.80x = 14,239,268,192.22
  5. Step 5: Solve for x
    x = 14,239,268,192.22/133,623.80
  6. Step 6: Final answer
    x = 106,562.37

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1.5x scale

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.