Home / 147,738.80-221,572.20-42,546.80

Finding the Fourth Proportional to 147,738.80, 221,572.20 and 42,546.80

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Solution

The fourth proportional to 147,738.80, 221,572.20 and 42,546.80 is: 63,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,738.80 : 221,572.20 = 42,546.80 : x
  2. Step 2: Convert to fraction form
    147,738.80/221,572.20 = 42,546.80/x
  3. Step 3: Cross multiply
    147,738.80x = 221,572.20 × 42,546.80
  4. Step 4: Simplify right side
    147,738.80x = 9,427,188,078.96
  5. Step 5: Solve for x
    x = 9,427,188,078.96/147,738.80
  6. Step 6: Final answer
    x = 63,809.83

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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.