Home / 155,671.20-233,716.79-99,620.82

Finding the Fourth Proportional to 155,671.20, 233,716.79 and 99,620.82

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Solution

The fourth proportional to 155,671.20, 233,716.79 and 99,620.82 is: 149,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,671.20 : 233,716.79 = 99,620.82 : x
  2. Step 2: Convert to fraction form
    155,671.20/233,716.79 = 99,620.82/x
  3. Step 3: Cross multiply
    155,671.20x = 233,716.79 × 99,620.82
  4. Step 4: Simplify right side
    155,671.20x = 23,283,058,516.62
  5. Step 5: Solve for x
    x = 23,283,058,516.62/155,671.20
  6. Step 6: Final answer
    x = 149,565.61

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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.