Home / 112,917-169,441.10-50,587.50

Finding the Fourth Proportional to 112,917, 169,441.10 and 50,587.50

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Solution

The fourth proportional to 112,917, 169,441.10 and 50,587.50 is: 75,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,917 : 169,441.10 = 50,587.50 : x
  2. Step 2: Convert to fraction form
    112,917/169,441.10 = 50,587.50/x
  3. Step 3: Cross multiply
    112,917x = 169,441.10 × 50,587.50
  4. Step 4: Simplify right side
    112,917x = 8,571,601,646.25
  5. Step 5: Solve for x
    x = 8,571,601,646.25/112,917
  6. Step 6: Final answer
    x = 75,910.64

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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.