Home / 192,006.11-288,258.65-147,664.28

Finding the Fourth Proportional to 192,006.11, 288,258.65 and 147,664.28

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Solution

The fourth proportional to 192,006.11, 288,258.65 and 147,664.28 is: 221,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,006.11 : 288,258.65 = 147,664.28 : x
  2. Step 2: Convert to fraction form
    192,006.11/288,258.65 = 147,664.28/x
  3. Step 3: Cross multiply
    192,006.11x = 288,258.65 × 147,664.28
  4. Step 4: Simplify right side
    192,006.11x = 42,565,503,826.41
  5. Step 5: Solve for x
    x = 42,565,503,826.41/192,006.11
  6. Step 6: Final answer
    x = 221,688.28

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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.