Home / 147,896.20-221,990.10-73,100.80

Finding the Fourth Proportional to 147,896.20, 221,990.10 and 73,100.80

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Solution

The fourth proportional to 147,896.20, 221,990.10 and 73,100.80 is: 109,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,896.20 : 221,990.10 = 73,100.80 : x
  2. Step 2: Convert to fraction form
    147,896.20/221,990.10 = 73,100.80/x
  3. Step 3: Cross multiply
    147,896.20x = 221,990.10 × 73,100.80
  4. Step 4: Simplify right side
    147,896.20x = 16,227,653,902.08
  5. Step 5: Solve for x
    x = 16,227,653,902.08/147,896.20
  6. Step 6: Final answer
    x = 109,723.26

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1.5x scale

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.