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Finding the Fourth Proportional to 155,850.90, 233,193.15 and 103,362.90

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Solution

The fourth proportional to 155,850.90, 233,193.15 and 103,362.90 is: 154,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,850.90 : 233,193.15 = 103,362.90 : x
  2. Step 2: Convert to fraction form
    155,850.90/233,193.15 = 103,362.90/x
  3. Step 3: Cross multiply
    155,850.90x = 233,193.15 × 103,362.90
  4. Step 4: Simplify right side
    155,850.90x = 24,103,520,244.14
  5. Step 5: Solve for x
    x = 24,103,520,244.14/155,850.90
  6. Step 6: Final answer
    x = 154,657.56

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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.