Home / 148,302.16-204,659.64-81,229.84

Finding the Fourth Proportional to 148,302.16, 204,659.64 and 81,229.84

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Solution

The fourth proportional to 148,302.16, 204,659.64 and 81,229.84 is: 112,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,302.16 : 204,659.64 = 81,229.84 : x
  2. Step 2: Convert to fraction form
    148,302.16/204,659.64 = 81,229.84/x
  3. Step 3: Cross multiply
    148,302.16x = 204,659.64 × 81,229.84
  4. Step 4: Simplify right side
    148,302.16x = 16,624,469,811.66
  5. Step 5: Solve for x
    x = 16,624,469,811.66/148,302.16
  6. Step 6: Final answer
    x = 112,098.64

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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.