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Finding the Fourth Proportional to 173,362.60, 260,043.90 and 146,790.55

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Solution

The fourth proportional to 173,362.60, 260,043.90 and 146,790.55 is: 220,185.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,362.60 : 260,043.90 = 146,790.55 : x
  2. Step 2: Convert to fraction form
    173,362.60/260,043.90 = 146,790.55/x
  3. Step 3: Cross multiply
    173,362.60x = 260,043.90 × 146,790.55
  4. Step 4: Simplify right side
    173,362.60x = 38,171,987,105.15
  5. Step 5: Solve for x
    x = 38,171,987,105.15/173,362.60
  6. Step 6: Final answer
    x = 220,185.83

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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.