Home / 236,537.30-354,862.65-78,767.18

Finding the Fourth Proportional to 236,537.30, 354,862.65 and 78,767.18

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Solution

The fourth proportional to 236,537.30, 354,862.65 and 78,767.18 is: 118,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,537.30 : 354,862.65 = 78,767.18 : x
  2. Step 2: Convert to fraction form
    236,537.30/354,862.65 = 78,767.18/x
  3. Step 3: Cross multiply
    236,537.30x = 354,862.65 × 78,767.18
  4. Step 4: Simplify right side
    236,537.30x = 27,951,530,227.83
  5. Step 5: Solve for x
    x = 27,951,530,227.83/236,537.30
  6. Step 6: Final answer
    x = 118,169.65

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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.