Home / 147,984.60-221,976.90-136,579.80

Finding the Fourth Proportional to 147,984.60, 221,976.90 and 136,579.80

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Solution

The fourth proportional to 147,984.60, 221,976.90 and 136,579.80 is: 204,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,984.60 : 221,976.90 = 136,579.80 : x
  2. Step 2: Convert to fraction form
    147,984.60/221,976.90 = 136,579.80/x
  3. Step 3: Cross multiply
    147,984.60x = 221,976.90 × 136,579.80
  4. Step 4: Simplify right side
    147,984.60x = 30,317,560,606.62
  5. Step 5: Solve for x
    x = 30,317,560,606.62/147,984.60
  6. Step 6: Final answer
    x = 204,869.70

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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.