Home / 205,237.60-283,292.40-120,388.96

Finding the Fourth Proportional to 205,237.60, 283,292.40 and 120,388.96

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Solution

The fourth proportional to 205,237.60, 283,292.40 and 120,388.96 is: 166,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,237.60 : 283,292.40 = 120,388.96 : x
  2. Step 2: Convert to fraction form
    205,237.60/283,292.40 = 120,388.96/x
  3. Step 3: Cross multiply
    205,237.60x = 283,292.40 × 120,388.96
  4. Step 4: Simplify right side
    205,237.60x = 34,105,277,411.90
  5. Step 5: Solve for x
    x = 34,105,277,411.90/205,237.60
  6. Step 6: Final answer
    x = 166,174.61

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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.