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Finding the Fourth Proportional to 155,273.60, 232,942.80 and 50,103.20

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Solution

The fourth proportional to 155,273.60, 232,942.80 and 50,103.20 is: 75,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,273.60 : 232,942.80 = 50,103.20 : x
  2. Step 2: Convert to fraction form
    155,273.60/232,942.80 = 50,103.20/x
  3. Step 3: Cross multiply
    155,273.60x = 232,942.80 × 50,103.20
  4. Step 4: Simplify right side
    155,273.60x = 11,671,179,696.96
  5. Step 5: Solve for x
    x = 11,671,179,696.96/155,273.60
  6. Step 6: Final answer
    x = 75,165.25

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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.