Home / 148,071.27-221,972.51-76,910.73

Finding the Fourth Proportional to 148,071.27, 221,972.51 and 76,910.73

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Solution

The fourth proportional to 148,071.27, 221,972.51 and 76,910.73 is: 115,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,071.27 : 221,972.51 = 76,910.73 : x
  2. Step 2: Convert to fraction form
    148,071.27/221,972.51 = 76,910.73/x
  3. Step 3: Cross multiply
    148,071.27x = 221,972.51 × 76,910.73
  4. Step 4: Simplify right side
    148,071.27x = 17,072,067,399.48
  5. Step 5: Solve for x
    x = 17,072,067,399.48/148,071.27
  6. Step 6: Final answer
    x = 115,296.29

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1.5x scale

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.