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Finding the Fourth Proportional to 132,423.50, 182,744.43 and 72,807.50

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Solution

The fourth proportional to 132,423.50, 182,744.43 and 72,807.50 is: 100,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,423.50 : 182,744.43 = 72,807.50 : x
  2. Step 2: Convert to fraction form
    132,423.50/182,744.43 = 72,807.50/x
  3. Step 3: Cross multiply
    132,423.50x = 182,744.43 × 72,807.50
  4. Step 4: Simplify right side
    132,423.50x = 13,305,165,087.23
  5. Step 5: Solve for x
    x = 13,305,165,087.23/132,423.50
  6. Step 6: Final answer
    x = 100,474.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.