Home / 155,765.33-234,135.71-102,797.69

Finding the Fourth Proportional to 155,765.33, 234,135.71 and 102,797.69

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Solution

The fourth proportional to 155,765.33, 234,135.71 and 102,797.69 is: 154,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,765.33 : 234,135.71 = 102,797.69 : x
  2. Step 2: Convert to fraction form
    155,765.33/234,135.71 = 102,797.69/x
  3. Step 3: Cross multiply
    155,765.33x = 234,135.71 × 102,797.69
  4. Step 4: Simplify right side
    155,765.33x = 24,068,610,730.58
  5. Step 5: Solve for x
    x = 24,068,610,730.58/155,765.33
  6. Step 6: Final answer
    x = 154,518.41

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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.