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Finding the Fourth Proportional to 146,495.70, 219,889.35 and 71,700.30

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Solution

The fourth proportional to 146,495.70, 219,889.35 and 71,700.30 is: 107,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,495.70 : 219,889.35 = 71,700.30 : x
  2. Step 2: Convert to fraction form
    146,495.70/219,889.35 = 71,700.30/x
  3. Step 3: Cross multiply
    146,495.70x = 219,889.35 × 71,700.30
  4. Step 4: Simplify right side
    146,495.70x = 15,766,132,361.81
  5. Step 5: Solve for x
    x = 15,766,132,361.81/146,495.70
  6. Step 6: Final answer
    x = 107,621.81

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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.