Home / 155,864.60-215,093.12-84,244.61

Finding the Fourth Proportional to 155,864.60, 215,093.12 and 84,244.61

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Solution

The fourth proportional to 155,864.60, 215,093.12 and 84,244.61 is: 116,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,864.60 : 215,093.12 = 84,244.61 : x
  2. Step 2: Convert to fraction form
    155,864.60/215,093.12 = 84,244.61/x
  3. Step 3: Cross multiply
    155,864.60x = 215,093.12 × 84,244.61
  4. Step 4: Simplify right side
    155,864.60x = 18,120,435,388.57
  5. Step 5: Solve for x
    x = 18,120,435,388.57/155,864.60
  6. Step 6: Final answer
    x = 116,257.54

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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.