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Finding the Fourth Proportional to 182,722.32, 252,124.56 and 102,124.08

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Solution

The fourth proportional to 182,722.32, 252,124.56 and 102,124.08 is: 140,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,722.32 : 252,124.56 = 102,124.08 : x
  2. Step 2: Convert to fraction form
    182,722.32/252,124.56 = 102,124.08/x
  3. Step 3: Cross multiply
    182,722.32x = 252,124.56 × 102,124.08
  4. Step 4: Simplify right side
    182,722.32x = 25,747,988,735.40
  5. Step 5: Solve for x
    x = 25,747,988,735.40/182,722.32
  6. Step 6: Final answer
    x = 140,913.21

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Why These Related Problems?

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