Home / 148,780.68-222,889.62-115,336.86

Finding the Fourth Proportional to 148,780.68, 222,889.62 and 115,336.86

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Solution

The fourth proportional to 148,780.68, 222,889.62 and 115,336.86 is: 172,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,780.68 : 222,889.62 = 115,336.86 : x
  2. Step 2: Convert to fraction form
    148,780.68/222,889.62 = 115,336.86/x
  3. Step 3: Cross multiply
    148,780.68x = 222,889.62 × 115,336.86
  4. Step 4: Simplify right side
    148,780.68x = 25,707,388,897.39
  5. Step 5: Solve for x
    x = 25,707,388,897.39/148,780.68
  6. Step 6: Final answer
    x = 172,787.14

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1.5x scale

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.