Home / 112,984.73-169,302.04-71,344.25

Finding the Fourth Proportional to 112,984.73, 169,302.04 and 71,344.25

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Solution

The fourth proportional to 112,984.73, 169,302.04 and 71,344.25 is: 106,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,984.73 : 169,302.04 = 71,344.25 : x
  2. Step 2: Convert to fraction form
    112,984.73/169,302.04 = 71,344.25/x
  3. Step 3: Cross multiply
    112,984.73x = 169,302.04 × 71,344.25
  4. Step 4: Simplify right side
    112,984.73x = 12,078,727,067.27
  5. Step 5: Solve for x
    x = 12,078,727,067.27/112,984.73
  6. Step 6: Final answer
    x = 106,905.84

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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.