Home / 147,393.62-221,137.15-52,621.73

Finding the Fourth Proportional to 147,393.62, 221,137.15 and 52,621.73

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Solution

The fourth proportional to 147,393.62, 221,137.15 and 52,621.73 is: 78,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,393.62 : 221,137.15 = 52,621.73 : x
  2. Step 2: Convert to fraction form
    147,393.62/221,137.15 = 52,621.73/x
  3. Step 3: Cross multiply
    147,393.62x = 221,137.15 × 52,621.73
  4. Step 4: Simplify right side
    147,393.62x = 11,636,619,400.27
  5. Step 5: Solve for x
    x = 11,636,619,400.27/147,393.62
  6. Step 6: Final answer
    x = 78,949.27

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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.