Home / 147,940.20-221,780.70-88,799.40

Finding the Fourth Proportional to 147,940.20, 221,780.70 and 88,799.40

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Solution

The fourth proportional to 147,940.20, 221,780.70 and 88,799.40 is: 133,121.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,940.20 : 221,780.70 = 88,799.40 : x
  2. Step 2: Convert to fraction form
    147,940.20/221,780.70 = 88,799.40/x
  3. Step 3: Cross multiply
    147,940.20x = 221,780.70 × 88,799.40
  4. Step 4: Simplify right side
    147,940.20x = 19,693,993,091.58
  5. Step 5: Solve for x
    x = 19,693,993,091.58/147,940.20
  6. Step 6: Final answer
    x = 133,121.31

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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.