Home / 147,622.20-221,433.30-146,747.40

Finding the Fourth Proportional to 147,622.20, 221,433.30 and 146,747.40

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Solution

The fourth proportional to 147,622.20, 221,433.30 and 146,747.40 is: 220,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622.20 : 221,433.30 = 146,747.40 : x
  2. Step 2: Convert to fraction form
    147,622.20/221,433.30 = 146,747.40/x
  3. Step 3: Cross multiply
    147,622.20x = 221,433.30 × 146,747.40
  4. Step 4: Simplify right side
    147,622.20x = 32,494,761,048.42
  5. Step 5: Solve for x
    x = 32,494,761,048.42/147,622.20
  6. Step 6: Final answer
    x = 220,121.10

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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.