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Finding the Fourth Proportional to 155,550.90, 232,743.15 and 103,062.90

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Solution

The fourth proportional to 155,550.90, 232,743.15 and 103,062.90 is: 154,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,550.90 : 232,743.15 = 103,062.90 : x
  2. Step 2: Convert to fraction form
    155,550.90/232,743.15 = 103,062.90/x
  3. Step 3: Cross multiply
    155,550.90x = 232,743.15 × 103,062.90
  4. Step 4: Simplify right side
    155,550.90x = 23,987,183,994.14
  5. Step 5: Solve for x
    x = 23,987,183,994.14/155,550.90
  6. Step 6: Final answer
    x = 154,207.94

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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.