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Finding the Fourth Proportional to 155,147.52, 214,201.52 and 107,383.44

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Solution

The fourth proportional to 155,147.52, 214,201.52 and 107,383.44 is: 148,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,147.52 : 214,201.52 = 107,383.44 : x
  2. Step 2: Convert to fraction form
    155,147.52/214,201.52 = 107,383.44/x
  3. Step 3: Cross multiply
    155,147.52x = 214,201.52 × 107,383.44
  4. Step 4: Simplify right side
    155,147.52x = 23,001,696,070.83
  5. Step 5: Solve for x
    x = 23,001,696,070.83/155,147.52
  6. Step 6: Final answer
    x = 148,256.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.