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Finding the Fourth Proportional to 164,586.60, 246,709.80 and 89,548.20

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Solution

The fourth proportional to 164,586.60, 246,709.80 and 89,548.20 is: 134,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,586.60 : 246,709.80 = 89,548.20 : x
  2. Step 2: Convert to fraction form
    164,586.60/246,709.80 = 89,548.20/x
  3. Step 3: Cross multiply
    164,586.60x = 246,709.80 × 89,548.20
  4. Step 4: Simplify right side
    164,586.60x = 22,092,418,512.36
  5. Step 5: Solve for x
    x = 22,092,418,512.36/164,586.60
  6. Step 6: Final answer
    x = 134,229.75

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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.